1. Silicone material, soft touch, portable, waterproof outdoor speakers.
2. Using Jerry reader + BK Bluetooth solution , 2.1 + EDR version.
3. Bluetooth connection / MICRO SD card reader / AUX audio input mode .
4. Built-in high capacity rechargeable lithium polymer battery .
5. Output power : 3W
6. Battery capacity : 400mAh
7. SNR :> = 76dB
8. Continuous playback time: about 4 hours ( 50% volume )
9. Bluetooth transmission distance : < 10 meters
10. Charging time : about 2-2.5H
11. Interface : MICRO / Audio combo interface
12. TF deck : Support 64GB memory card below