Bluetooth version: V5.0
Chipset: BK3266A
Transmission range: 10 meters
Frequency response: 20-20000Hz
Output sensitivity: 98dB
Microphone sensitivity: -42dB
Battery capacity: 105mAh
Impedance: 16Ω
Rated power: 30mW
Drive unit: 10mm speaker
Playing time: about 9 hours
Standby time: about 130 hours
Charging time: about 2 hours
Product net weight: 32g

Selling point:
1. Bluetooth 5.0, good sound quality, stable signal
2. Magnetic ear shells, can't be shaken off wildly, exercise as you like
3. Silicone neckband, skin-friendly and soft, comfortable to wear
4. Flexible neckline, memory neckband
5. The appearance is exquisite and compact, with colorful metal ear shells
6. Continuous play for 9 hours, long standby time
7. High-quality speakers, perfect ergonomic design.
Neckband Bluetooth Headset NR121

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