Key Specifications/Special Features:

Bluetooth Standard Bluetooth V4.1 BES2000IS
Frequency Range 2.400-2.481GHz
Operation Class 2
Bluetooth Mode headset/A2DP/AVRCP
Operating Range 30 feet (10 meters)
Talking Time 7 hours
Music Playing Time 6 hours
Standy Time 180 hours (100mAh battery)
Charging Time 2 hours
Charge Voltage AC: input 110-240V. DC: output 5.3V
Sensitivity Speaker 92dB, mic 42dB
Speaker diameter 8mm
Speaker Power 2.5mW
Certificates CE, ROHS, FCC and BQB can be applied

Top features:

1. Neckband design and magnetic headset owns great popularity.
2. Get the most out with 7 hours of battery.
3. Compatible with all mobile phones.
4. Comfortable 
Anti Noise Cancellation Neckband Bluetooth Headphone DC220

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