Warranty | 1 Month Warranty |
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- Frequency response: 20-20KHz
- Chip: 2823B
- Audio format: MP3
- Signal to noise ratio: ≥ 80db
- Battery capacity: 50mah charging box (950mah)
- Input voltage: DC5V
- Input current: ≥500mA
- Transmission range: 10 meters
- Standby time: 120 hours or more
- Working hours: 3-4 hours
- Charging time: 1 hour
- Microphone -42db
- Bluetooth version: V4.2 + EDR Actions (2823B)