MOMENTUM True Wireless True wireless stereo earphones Model: M3IETW (M3IETW L, M3IETW R, M3IETW C) Instruction manual Use the search function, the navigation (left) or the following links: Start “Product overview” “Getting started” “Using the earphones” “FAQ/If a problem occurs ...” “Specifications” Sennheiser electronic GmbH & Co. KG Am Labor 1 30900 Wedemark Germany www.sennheiser.
Important safety instructions Important safety instructions ▷ Read this instruction manual carefully and completely before using the product. ▷ Always include this instruction manual when passing the product on to third parties. ▷ Do not use an obviously defective product. ▷ Only use the product in environments where Bluetooth wireless transmission is permitted. Preventing damage to health and accidents ▷ Protect your hearing from high volume levels.
Important safety instructions Only use rechargeable batteries and chargers recommended by Sennheiser. Charge products with built-in rechargeable batteries at ambient temperatures between 10 and 40 °C/50 and 104 °F. Do not heat above 60 °C/140 °F, e.g. do not expose to sunlight or throw into fire. When not using the product for extended periods of time, charge its built-in rechargeable battery regularly (about every 3 months). Switch rechargeable battery-powered products off after use.
Package contents Package contents Earbud R for right ear (M3IETW R) and earbud L for left ear (M3IETW L) Charging case with built-in rechargeable battery for the earbuds (M3IETW C) USB charging cable with USB-C and USB-A connector, approx. 0.25 m Silicone ear adapters (size XS, S, M (pre-mounted to the earphones) and L Quick guide Safety guide Online you can find: • this detailed instruction manual and additional information (www.sennheiser.
Product overview Product overview Charging case M3IETW C 7 6 8 9 1 2 3 4 5 7 LED displays the charging process/charge status of the rechargeable battery of the charging case or of the earbuds (when inserted into the charging case) Input for USB-C connector for charging the rechargeable batteries LED button activates the LED display for 5 seconds Built-in rechargeable battery for charging the earbuds on the go Type plate Charging compartment for the left earbud L Magnetic holders Charging compartment f
Product overview Earbuds M3IETW L and M3IETW R M3IETW L M3IETW R B A G C A C L R 0 0 D E D D E H D H F F F Touch control panel Changeable silicone ear adapters Left earbud L (secondary earbud, receives signals from the right earbud) Status LED Magnetic holders Charging contacts Microphones for the perception of ambient noise (“Transparent Hearing”) and for phone calls Right earbud R (primary earbud, controls the Bluetooth connection to the smartphone and to the left earbud) Built-in re
Product overview Charging case Charging case WITH WITHOUT earbuds earbuds inserted inserted LED pulses yellow ... earbuds and charging case are being charged ... charging case is being charged lights up green ... earbuds and charging case are fully charged ... charging case is fully charged flashes red ... a charging error/ battery error has been detected in at least one earbud (> 26) ...
Product overview If the LED does not light up: • Clean the contacts on the earbuds and in the charging case (> 25). • Charge the rechargeable batteries of the earbuds and the charging case until the LED lights up again (> 12). Overview of the LED indications of the earbuds LED Meaning; earbuds ... flashes red-blue ... in Bluetooth pairing mode for approx. 1 min 3x flashes blue 3 times ... Bluetooth pairing successful 3x flashes red 3 times ... Bluetooth pairing failed lights up blue ...
Product overview Notes on voice prompts The earphones output voice prompts for the following functions. Using the Smart Control app, you can change the language of the voice prompts, choose between voice prompts and beep sounds, or deactivate the status messages with a few exceptions (e.g. rechargeable battery is empty). Voice prompt Meaning/earbuds... “Power on” ... are switched on “Power off” ... switch off “Connected” ... connected via Bluetooth “No connection” ...
Getting started Getting started 1. Waking up the earphones and the charging case and charging the rechargeable batteries Upon delivery, the rechargeable batteries of the earphones and the charging case are in sleep mode and have to be woken up by connecting them to a power source once. ▷ Insert the earphones into the charging case. ▷ Connect the USB-C cable to the charging case and to a USB power source (> 12).
Getting started 3. Connecting the earphones to a Bluetooth device Connect the earphones to your smartphone via Bluetooth (> 14). 4. Selecting suitable ear adapters for optimum fit of the earbuds L M S XS The perceived sound quality and bass performance of the earphones depends to a large extent on the correct fit of the earbuds in the ear. ▷ Test which ear adapter size gives you the best sound quality and the best wearing comfort.
Using the earphones Using the earphones Information on the rechargeable battery, the charging process and the first use The earbuds and the charging case each have a built-in rechargeable battery. The charging case allows you to store your earphones safely at all times while they are being charged. Rechargeable battery Operating/standby time with fully charged rechargeable batteries Earbuds approx. 4 hours of operating time Recharging via charging case approx.
Using the earphones 1. Open the charging case by overcoming a slight magnetic resistance and insert the left earbud into the left charging compartment and the right earbud into the right charging compartment. The earbuds are magnetically pulled into the charging compartments. 2. Connect the USB-C connector of the USB cable to the USB-C socket of the charging case. 3. Connect the USB-A connector to a corresponding socket of a USB power source (to be ordered separately).
Using the earphones Paired devices establish the Bluetooth wireless connection immediately after switch-on and are ready for use. When you switch the earphones on, they automatically try to connect to the last connected Bluetooth device. The earphones can save the connection profiles of up to eight Bluetooth devices with which they have been paired. If you pair the earphones with the ninth Bluetooth device, the saved connection profile of the least used Bluetooth device will be overwritten.
Using the earphones 2. Simultaneously touch and hold the right and the left touch control panel for 5 seconds until you hear the voice prompt “Pairing” and a beep. The LEDs of the earbuds flash blue and red. The earbuds are in pairing mode. 3. Activate Bluetooth on your Bluetooth device. 4. Via the menu of your Bluetooth device, start the search for new Bluetooth devices. All active Bluetooth devices in the proximity of your smartphone are displayed.
Using the earphones ▷ Connect your smartphone to the earphones using Bluetooth (> 13). ▷ Start the Smart Control app. The Smart Control app recognizes the earphones and activates all available settings and functions. Selecting suitable ear adapters for optimum fit of the earbuds L M S XS Click The perceived sound quality and bass performance of the earphones depends to a large extent on the correct fit of the earbuds in the ear. ▷ Pull the ear adapter away from the in-ear sound tunnel.
Using the earphones The Smart Pause function automatically stops music playback if you remove an earbud from your ear (> 20). Switching the earbuds on WARNING Danger of hearing damage due to high volume levels! Listening at high volume levels can lead to permanent hearing defects. ▷ Before putting the headphones on, adjust the volume to a low level (> 18). ▷ Do not continuously expose yourself to high volume levels.
Using the earphones ▷ Insert the earbuds into the charging case to switch them off. As soon as the earbuds are inserted into the charging case, they switch off and are being charged (> 12). The earbuds automatically switch to idle mode if they do not find a paired Bluetooth device within 15 minutes or if they are inactive for approx. 60 minutes (connected via Bluetooth but no audio playback).
Using the earphones Listening of ambient noise or conversations - activating/deactivating the Transparent Hearing function With Transparent Hearing activated, you can hear ambient sounds or communicate without having to remove the earbuds from your ears. This allows you to hear e.g. announcements in the train or airplane or to have short conversations. ON/OFF 2x R ▷ Tap the touch control panel of the right earbud 2 times. The Transparent Hearing mode set in the Smart Control app is activated.
Using the earphones ▷ Tap the touch control panel of the right or left earbud once. ON/OFF 1x Siri, Google Assistant, Baidu, ...* R Using the Smart Pause function The earbuds automatically detect whether they are worn in the ear or removed from the ear. Music playback pauses when you remove an earbud from the ear and continues when you insert it again. You can also deactivate the function via the Smart Control app. The right earbud (primary earbud) can be used alone.
Using the earphones Left touch control panel Tap 2x Function Plays the next track in the playlist Playing the previous track ▷ Tap the touch control panel of the left earbud 3 times. Left touch control panel Tap 3x Function Plays the previous track in the playlist Making calls using the earphones The call functions are only available when the earphones and the smartphone are connected via Bluetooth. Some smartphones may not support all functions.
Using the earphones Right touch control panel Function Tap 2x Rejects a call Voice prompt “Call rejected” Tap 1x Accepts an incoming call and ends the active call Tap 2x Rejects an incoming call and continues the active call Displaying the battery charge status If the earphones are connected to your Bluetooth device, the battery charge status can be displayed on the screen of your smartphone or device (depending on the device and operating system used).
Using the earphones Charging case Charging case WITH WITHOUT earbuds earbuds inserted inserted LED lights up red ... rechargeable bat... rechargeable batteries of the earbuds tery of the charging and the charging case is empty case are empty flashes red ... a charging error/ battery error has been detected in at least one earbud (> 26) ...
Using the earphones L 24 | MOMENTUM True Wireless R
Care and maintenance Care and maintenance CAUTION Liquids can damage the electronics of the product! Liquids entering the housing of the product can cause a short-circuit and damage the electronics. ▷ Keep all liquids far away from the product. ▷ Do not use any solvents or cleansing agents. ▷ Clean the product only with a soft, dry cloth. ▷ Clean the charging contacts on the earbuds and in the charging case from time to time using e.g. a cotton swab.
Care and maintenance Information on the built-in rechargeable battery Sennheiser ensures and guarantees that the rechargeable batteries perform at their optimum upon purchase of the product. If, upon purchase or within the warranty period, you suspect that the rechargeable battery is obviously defective or if a charging error/battery error is displayed (> 6), stop using the product, disconnect it from the power supply system and immediately return the product to any Sennheiser service partner.
FAQ/If a problem occurs ... FAQ/If a problem occurs ... Current list of frequently asked questions (FAQ) Visit the MOMENTUM True Wireless product page at www.sennheiser.com/truewireless There you will find a current list of frequently asked questions (FAQ) and suggested solutions. The left earbud cannot be used? Make sure that the earbud is charged (> 12) and that the earphones are paired with your Bluetooth device and connected to it (> 14).
FAQ/If a problem occurs ... The sound is not in lip-sync with the TV/PC picture? Make sure you are using a Bluetooth device with aptX Low Latency (LL) to have low audio latency. The earphones are uncomfortable? Test the different ear adapters to find the size that suits you best and delivers the best sound quality (> 16).
FAQ/If a problem occurs ... Hold 6s Resetting the earphones to the factory default settings/Reset If the function of the earphones is disturbed and a manual restart (> 28) does not improve, reset the earphones to the factory default settings. This deletes, among other things, all pairing settings. ▷ Make sure that the contacts on the earbuds and in the charging case are clean and make contact (the LED of the charging case lights up when you insert the earbuds into the charging case).
Specifications Specifications MOMENTUM True Wireless M3IETW Wearing style True wireless stereo earphones Ear coupling ear canal Frequency response 5 Hz to 21 kHz Transducer principle dynamic, closed-back Transducer size 7 mm Sound pressure level (SPL) 107 dB (1 kHz/1 mW) THD (1 kHz, 94 dB SPL) < 0.
Specifications Output power 10 mW (max) Codec aptX®, aptX® LL, AAC, SBC Device name MOMENTUM TW LE-MOMENTUM TW (Bluetooth Low Energy only) MOMENTUM True Wireless | 31
Manufacturer Declarations Manufacturer Declarations Warranty Sennheiser electronic GmbH & Co. KG gives a warranty of 24 months on this product. For the current warranty conditions, please visit our website at www.sennheiser.com or contact your Sennheiser partner.
Manufacturer Declarations aptX is a trademark of Qualcomm Technologies International, Ltd., registered in the United States and other countries, used with permission. Other product and company names mentioned in the user documentation may be the trademarks or registered trademarks of their respective holders.
