WK BH800 Bluetooth 4.1 Foldable Wireless Bluetooth Headset, Support Call (Tarnish)

Product parameters: 1. Bluetooth version: 4.1. 2. Talk time: 14 hours. 3. Standby time: 840 hours. 4. Playing time: 21 hours. 5. Transmission distance: 10m. 6. Bluetooth protocol: A2DP / AVRCP / HSP / HFP. 7. Impedance: 32 ohms. 8. Sound pressure level: 103 +/- 3dB. 9. Frequency response range: 20Hz-20KHz. 10. Weight: 280g. 11. Dimensions: 180x200x85mm.