Lenevo HE05x Neckband Bluetooth Headset
- Bluetooth version: V5.0
- Bluetooth effective distance: 10M
- Speaker size: 10MM
- Maximum power: 10mW
- Sensitivity: 92dB
- Frequency response: 20Hz-20KHz
- Built-in battery: 3.7V/110mAh
- Life time: about 12 hours
- Charging input: Micro USB, DC5V, 500mA
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