1. Bluetooth specification: V5.3
2. Audio noise ratio: about 95db
3. Wireless transmission range: 10m
4. Battery capacity: 1200mAh
5. Built-in voltage: 3.7V
6. Playing time: about 3h (varies depending on audio content and volume)
7. Speaker specifications: 52mm
8. Speaker power: 4Ω/5W
9. Frequency response: 120Hz-18KHz
10. Charging input: 5V/500mA
11. Bluetooth 5.3, compatible with all Bluetooth devices. Built-in microphone, very convenient to answer/make calls
12. High-power two-channel speakers, providing built-in stereo and 360-degree stereo
13. Built-in 1200 mAh battery, long battery life
14. Support music files in MP3, WMA, WAV, FLAC, and APE formats
15. Supports TF card or misro SD card, supports USB2.0 hard disk (not included in this product)
16. Supports external MP3/MP4/computer audio input function, can connect two speakers and synchronize with a mobile phone