- Speaker size: 23mm
- Frequency range: 20-20.000Hz
- Driver Sensitivity: 112±3dB(at 1 KHz)
- Impedance: 32Ω±15%
- Bluetooth version: V4.1
- Chipset: CSR8635
- Bluetooth profile: HSP, HFP, A2DP and AVRCP
- RF frequency range: 2.402-2.480GHZ, 2.4G ISM band
- Playback time: Up to 9 hours
- Talk time: Up to 8 hours
- Standby time: UP to 200 hours