1. Power: 2W
2. Range of use: 1-10 floors
3. Number of channels: 16
4. Theoretical communication distance: 2km
5. Working voltage: 3.7V
6. Frequency stability: 2.5ppm
7. Small shape, easy to carry when going out
8. Dustproof, waterproof and dropproof, sturdy and durable
9. Intelligent power-saving lithium battery + USB convenient direct charging
10. 1500mAh 3-8 days super long standby
11. LCD display high-definition display power
12. 36mm large speaker, intelligent noise reduction, clear sound without noise
13. Portable back clip, hands-free, specially designed for the service industry
14. Weight: 58 grams
15. Dimensions: 8.7x4.5x2 cm