1. Driver diameter: 50mm<br />
2. Chipset: JL7018<br />
3. Support protocols: AVRCP1.4, A2DP1.2, HFP1.6, HSP1.2<br />
4. Audio decoding: WMA, APE, FLAC, AAC, M4A, WAV, AIF, AIFC<br />
5. Bluetooth distance: 10m, transmission rate: 2M<br />
6. Frequency: 2401MHz-2478MHz<br />
7. Microphone sensitivity: -42+/-3DB<br />
8. Sensitivity: 105+/-3dB<br />
9. Impedance: 32 ohms<br />
10. Frequency response range: 20HZ-20KHZ<br />
11. Battery capacity: 1000mA<br />
12. Playing time: about 20 hours<br />
13. Audio delay: 20mS<br />
14. Charging time: about 3 hours<br />
15. RF output power: 9dBm<br />
16. RX receiving sensitivity: -92 dBm<br />
17. RF TX frequency drift: +/-15KHz