Bluetooth Headset Wireless Stereo Sports Driving Business Watch Wristband Built-in 2400mah high-capacity battery

Built-in 2400mah high-capacity battery

Special function: time

easy to assemble and detach

5 cm strap length 25 cm

Bluetooth Headset Wireless Stereo Sports Driving Business Watch Wristband Built-in 2400mah high-capacity batteryProduct information: Transmission range: 10 meters Function: battery display, call function, voice control, support music, multi point connection Bluetooth protocol: 5. 0 Channel: Stereo How to use: Lavalier Whether single or double ears: unilateral hands free Charging batteries The battery must be fully charged before the first use 1. Connect the charger wire to the charging socket on the earphone. 2. Plug the charger into the power socket. 3. The