M-1 Back-mounted Touch Noise Reduction Bone Conduction Bluetooth Earphone with Detachable MicrophoneFeatures: 1. Bluetooth 5. 0 2. Bone conduction to avoid hearing loss 3. Double microphone noise reduction, clear call 4. The microphone is detachable, and the charging socket is common to the microphone socket 5. Touch buttons, one handed operation, support previous song next song, adjust volume, call voice assistant and other functions 6. The titanium alloy back hangs the line, wears it firmly and does not fall 7. IPX5 waterproof Product

11) Additional Protocols: Mix of TDMA and CSMA/CA channel access scheme

Display: Digital display

4K 144Hz/120Hz/60Hz/30Hz

Dimensions 10

to prevent over-temperature

the transmission speed can reach 500M/S

The three-level suction power of the blackhead meter: the first level is 42kp+/-2

including: RGB 15PCS

Dimensions: 36 x 30 x 24 cm

Wide compatibility: smart TV

warm moisturizing mode

Note: cannot be used while charging