Chip: AD6973D
Receiver: 225° rotation
Standby: 200 hours Rated input: 5V=100mA Horn diameter: 10mm
Horn power: 10mW x 2
SNR: ≥ 70dB
Battery capacity: 3.7V 170mAh Wear mode: Ear type Waterproof grade: IPX4 Music time: 3-5 hours Wireless range: 10M
Color: Black, gray Product weight: 52G