Features: 1. Stylish design, silicone material, very soft, small and portable, outdoor waterproof speakers. 2. Bluetooth 4 Vsion. 3. Support: Bluetooth connection, MICRO SD card reader, aux audio 3. Built-in high capacity rechargeable lithium polymer battery 1000mah. 4. AUX sources: the data cable can connect the computer with Bluetooth speakers 5. output power: 3W ,voltage: 3.7V ,battery capacity: 1000mah 6. audio s/n ratio: >70dB 7.product net weight: 60g , size: 70x70x70 mm 8. frequency range: 60HZ--20KHZ 9. continuous play time: approximately 5 hours 10 Bluetooth transmission distance: < 10 meter charge time: about 2-2.5H 11. interface: MICRO/audio in one interface. 12.TF card: supports 16GB memory card 13. Accessories: Bluetooth speaker, English instructions, charge/audio cable
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