Chip: JL
Bluetooth Version: V5.0
Product dimension:70cm
Net weight: 13g
Wireless working range: 40M (without obstacles )
Speaker: Φ14.2mm
Speaker sensitivity: 94dB±3dB
profiles supported: A2DP（V1.2）、HFP（V1.6）、HSP（V1.2）、AVRCP（V1.4）、EDR
Impedance: 22Ω±15%
Speaker frequency: 20Hz～20KHz
Input voltage / current: DC 5V/500mA
Battery: 3.7V/70mAh
Play time: Up to 4H
Talk time: Up to 4H
Standby time: 250H
Charging time: About 2H
Material: ABS+TPE