1. Material: ABS, silicone
2. Function: Bluetooth, call, TF card, TWS couplet
3. Bluetooth version: 5.0
4. Transmission distance: 10m
5. Channel mode: mono + single diaphragm
6. Speaker specifications: 52mm, 4 ohms, 5W
7. Frequency response: 120Hz-15KHz
8. Signal-to-noise ratio: greater than 75dB
9. Distortion: less than 3%
10. Charging parameters: DC 5V/0.5A
11. Rated voltage/current: 5V/0.5A
12. Output power: 5W
13. Power supply mode: built-in lithium battery
14. Battery capacity: 1200mAh lithium battery
15. Two speakers can be interconnected by TWS, and the left and right channels can be output independently to achieve surround sound
16.IPX4 waterproof, safe and secure
17. Large-diameter high-definition speakers, double-enhanced bass diaphragm, 360-degree sound effects
18. Dimensions: 8.3 x 8.3 x 9.9 cm
19. Product net weight: 290 grams