IPX4 waterproof
Dual dynamic wireless neckband sports headset
Chip: BK3266
Bluetooth Version: V5.0
Battery: 3.7V/220mAh
Play time: 15H
Talk time:14.5H
Standby time: 150H
Charging time: About 2H

Product dimension: L390*W140*H20MM
Net weight: 24.5g
Wireless working range: 10M (without obstacles)
Speaker: Φ6MM*4
Speaker sensitivity: 101dB±3dB
profiles supported: HFP, A2DP, AVRCP
Impedance: 32Ω±15%
Speaker frequency: 20Hz～20KHz
Input voltage / current: DC 5V/120mA