Bone conduction back hanging earphone

Proposal: Jerry

Bluetooth version: Bluetooth V5 0+EDR

Transmission distance: 10-12m

Battery: 120mAh rechargeable lithium battery

Charging time: 1 hour

Standby time: 250 hours

Endurance: 4-6 hours

Earphone parameters

Horn: Φ 16.2mm

Sensitivity: 110 dB ± 3S

Impedance: 32 Ω

Frequency response: 20Hz-20KHz