1.Bluetooth version: 4.2
2. Main function: TWS+Bluetooth+U disk playback+TF
3. Card playback + FM radio + audio input
4. Transmission distance: 10M
5. Battery specification: 350mah
6. Play time: 2-5
7. Bare metal re-watch: 293g
8. Bare metal size: 109.5*109.5*127mn
9. Packing size: 110*110*1 50MM
10. Carton size (cm): 47*35.5*40. 5CM
11. Packing quantity: 36PCS
12. Gross weight (kg): 13. 4kg
13.Color: white black blue red