Foshan Shunde Rishengxin Electronic Co., Ltd

Bluetooth: V5.0
Battery: PLB 250mAh
Earbud battery: 3.7V / 25mAh
Charging time: 1-1.5H
Frequency: 20-20KHz
Impedance: 32 s
Sensitivity: 95dB±3dB
Play time: 2-3 hours
Operating range: 32.8 -49.2 (ft)
Two-ear phone: Yes
Auto-on: Yes
Two-eared calls, auto-pairing, auto-power-on/off, auto-charging, supported Siri. Smart Touch
Hall and MCU chipset: Yes