Support reporting call number, noise free, voice dialing, come with handsfree, etc. Highly sensetive speaker and enhanced quality of voice reception. Stylish, comfortable and engineered with cutting-edge Bluetooth technology. Frequency range: 2.4GHz-2.48GHz. Transmission distance: 10M. Operating voltage: 3.6V. Operating current: â¤25mA. Standby current: â¤2mA. Charging time: 2-3H. Talking time: 5-6H. Standby time: 120H. Music playing time: 4-5H.
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