ME100 Single Ear Stereo In-ear Long Standby In-ear Business Bluetooth Headset Features: Bluetooth distance: 10M 5. Purchase two earphones of any color to form a pair of Bluetooth earphones with T-WS on-ear function. Pairing operation: After the two earphones are turned on at the same time, double-click the + button of one of the earphones, and the pairing is successful in 5 seconds and the "M-100" search name is issued. Tap on the phone to pair. 1PC charging line 4. 270° rotatable earpiece + 180° rotatable ear hook dual rotation can freely adjust the angle, and can be worn in the left and right directions to meet the different wearing habits of the public Listen to the song and talk for about 10 hours Product Description: Bluetooth version: 5.0 Bluetooth chip: Lanxun chip Bluetooth distance: 10M Battery: 110mah Standby time: 170 hours Listen to the song and talk for about 10 hours Charging time: 1 hour 1PC headset 1PC charging line 1. Safety certification: International level protection, dual insurance for electricity and data 2. Stable performance: efficient and durable, rejecting "not long to use, always lagging" 3. Full scene compatibility and adaptation: seamless connection of multiple devices/systems, plug and play 4. Practical Function: Directly targeting the core pain points and improving usage efficiency 5. Worry free after-sales service: fast cross-border response, problems do not delay use