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Material: ABS+PC
Rated power: 1W
Transmission frequency: 150HZ-16KHZ
THD: <1% S/N: ≥90Db±2
Battery: 5V / 140mAh
Bluetooth: 4.2
Size: 35.6*25.1mm
Weight: 21g
Color: Black, white, blue
Function:Comes with one-button camera function, hands-free voice call, listen to music, send lanyard