- Battery Included: Yes
- High-concerned chemical: None
- Support intercom: No
- Special Features: Waterproof
- External Testing Certification: ce
- Model Name: BT9
- Power Supply Mode: Built-in Battery
- Connection Mode: Bluetooth
- Certification: CE,FCC
- Origin: Mainland China
- Item Type: Helmet Headset
Features:
1. Bluetooth version: 5.3+EDR
2. Frequency range: 2.402GHz-2.480GHZ
3. Transmission distance: 10-15 meters (varies depending on the device)
4. Microphone transmission distance: ≤ 1 meter
5. Lithium battery: 3.7v/800mAh,
6. Continuous working time: ≤ 20 hours,
7. Charging voltage: 5V,
8. Charging time: 5 hours,
9. Standby time: ≤ 80 hours,
10. Bluetooth model: BT9
1. Bluetooth version: 5.3+EDR
2. Frequency range: 2.402GHz-2.480GHZ
3. Transmission distance: 10-15 meters (varies depending on the device)
4. Microphone transmission distance: ≤ 1 meter
5. Lithium battery: 3.7v/800mAh,
6. Continuous working time: ≤ 20 hours,
7. Charging voltage: 5V,
8. Charging time: 5 hours,
9. Standby time: ≤ 80 hours,
10. Bluetooth model: BT9



















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