• Chip: AB5616

• Bluetooth 5.4, distance more  than 10m 

• Speaker:  8 ohms electric 0916,1.2W,Wireless stereo sound

• Microphone: Silicon microphone

• Lithium Battery with protection : 80 mAh +80 mAh                                                                                     

• Music playing time:  7 hours    

• Functions: Play music,  phone calls,  Polarized sunglasses,  HIFI sound quality,  Ai conversation