FCC ID: 2ADTFS91 TWS Bluetooth Earbuds User Manual
SAFETY CAUTION 1. Use earbuds while driving, please observe the national and regional regulation. 2. Please put all the equipment and accessories can not be touched by the child or pet, which may cause suffocation and serious consequences. 3. Please don't use the product under too high or too low temperature environment. (Below -10 degree centigrade or Above- 45 degree centigrade) 4. Extreme temperatures can cause deformations, reduce the charging capacity of the device, and shorten the service life. 5.
TWS OPERATION INSTRUCTIONS Initial Earbuds Set Up/Pairing Step 1: Once both earbuds are removed from the case they will automatically power on, blue light on each earbud will be on. Step 2: Once the earbuds are turned on wait for the prompt “DuDu”, this confirms that the earbuds are synced. Once pairing between 2 earbuds, a blue and red light will start to flash in the left earbud and a blue light flash in the right earbud.
TWS OPERATION INSTRUCTIONS Auto Power On: Once both earbuds are removed from the case they will automatically power on, a blue light on each earbud will on about 1 second, a blue light of the left one will have 3 flashes at a time and the connection process will start. (Note: The case must be charged timely in order for the earbuds to automatically power on. If the case is not charged, the earbuds can be manually turned on.
Manual Power Off: Press and hold the main button on the and earbud at the same time for about 3 seconds to power off. A blue light will on and begin to flash on the earbuds followed by a “Power Off” message through the earbuds. Music Play/Pause：Short press or button could play or pause music playing. Music Next/Previous: Double press the main button of earbud to go to the next song. Double press the main button of earbud to go to the previous song.
Cancel Call：During the dialing state, once press or button to cancel a call. Low Battery Clarm：When the earbuds’ power is less than 20%, they flash a red light and follow by a “Low Battery” message through the earbuds. Low Battery Shutdown：When the earbuds run out of battery power, they will automatically shut off. Automatic Connection：After the initial set up and connection the earbuds will automatically connect to your device next time you turn them on.
● Restore Original Settings：Under power off status, press and hold the and buttons for about 10 seconds, both earphones can be restored to Factory Settings with alternating red and blue lights flashing on both earbuds . Then the earbuds can be reused by auto or manually power on/off. (Note: This function is suggested to be used when the earbuds can't connect to each other under the conditions of common use.
Charging for Earbuds Put and earbuds into the Charging Cases and close the lid to start the charging process.The charging earbuds will flash red lights until fully charged. Once fully charged the red light will turn off. Case Power Indicator “●●●●” 100% Power; “●●●” 75% Power; “●●” 50% Power; “●” 25% Power; (Note: The normal Charging Case holds 400 mAh of battery power which can charge the earbuds up to 3 times from no battery power before the case has to be charged.
TECHNICAL SPECIFICATIONS Bluetooth Version V5.0 Bluetooth Distance 10-15M Earbuds Battery 50mAh*2 Charging Case Battery 400mAh Charging Time About 1.5 hour Music Playing Time About 5 hours Calling Talk Time About 5 hours Standby time 200 hours NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.
guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: - Reorient or relocate the receiving antenna. - Increase the separation between the equipment and receiver.
two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
