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Awei A840BL Wireless Sport Bluetooth 4.0 Sweatproof Headset
- Intelligent 2-link design: Connect your two Bluetooth services at the same time and free switch.
- Incomparable long standby and working time: 200 hours standby, and 4.5 hours for talking time, 2 hours charging time.
- NFC function: Easy and convenient to connect your headphone with your device.
- Easy talking: Built-in microphone for hands free calling.
- Built-in rechargeable battery: 3.7V 100mAh polymer lithium battery.