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1. Support Bluetooth V1.2+EDR 2. Operate frequency range: 2.4~2.48 GHZ ISM frequencies 3. 10m Wireless range 4. Support headset, hand-free and TTS 5. Support multi-pairing, be able to pair 8 Bluetooth mobile phones maximum 6. Integrate noise suppression and echo cancellation technology, to remove the noise of background and reach high quality effect 7. Build-in loudspeaker and microphone; be able to use the headset to keep confidential 8. Talking time of 15~16 hours, standby time of 600 hours 9. Charge time: 3 hours
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