Instruction manual CX 400BT True Wireless
Table Of Contents
- Important safety instructions
- Package contents
- Product overview
- Getting started
- Using the earphones
- Information on the rechargeable battery, the charging process and the first use
- Charging the rechargeable battery of the earbuds and the charging case
- Connecting the earphones to a Bluetooth device
- Information on the Bluetooth wireless connection
- Pairing the earphones with a Bluetooth device
- Switching the connection to paired Bluetooth devices/“Connections”
- Disconnecting the earphones from a Bluetooth device
- Pairing the earbuds with each other (optional)
- Installing the Smart Control app
- Selecting suitable ear adapters for optimum fit of the earbuds
- Inserting the earbuds into the ears
- Switching the earphones on
- Switching the earphones off
- Adjusting the volume
- Using the voice assistant/voice dialing
- Controlling music playback
- Making calls using the earphones
- Using the Auto Call function
- Displaying the battery charge status
- Adjusting sound effects/the equalizer
- Setting the voice prompts/beep sounds
- Customizing the control functions
- Storing or transporting the earphones in the charging case
- Care and maintenance of the earbuds/charging case
- FAQ/If a problem occurs ...
- Specifications
- Manufacturer Declarations
Package contents
4 | CX 400BT True Wireless
Package contents
Online you can find:
• this detailed instruction manual and additional information
(
www.sennheiser.com/download)
• the Sennheiser Smart Control app for configuring the head-
phones and for additional functions
(www.sennheiser.com/smartcontrol)
Earbud R for right ear (CX400TW1 R) and
earbud L for left ear (CX400TW1 L)
Charging case with built-in rechargeable battery for
the earbuds (CX400TW1 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 earbuds) and L)
Quick guide
Safety guide
A list of accessories can be found on the CX 400BT True Wire-
less product page at www.sennheiser.com .
Contact your local Sennheiser partner: www.sennheiser.com >
“Service & Support”.