1. High-definition HiFi sound, shocking bass
2. Bluetooth parsing chip, better transmission sound quality
3. NFC touch to connect, no need to connect manually
4. Smart bluetooth device, widely compatible, support all audio devices
5. Lossless sound quality, USB smart playback, Bluetooth 5.0
6. Support USB playback, plug and play
7. Built-in signal antenna, the signal has no dead angle
8. Signal-to-noise ratio: greater than 110 decibels
9. Interface: USB+AUX+RCA+TF
10. Transmission rate: 2.4Mbps
11. Output impedance: 75 ohms
12. Frequency response range: 10-20000Hz
13. Effective range: 15m
14. Operating frequency: 24MHz
15. Size: about 10.9 x 7.3 x 2.9cm