T&G TG166 Color Portable Wireless Bluetooth Small Speaker(Green)

1. Material: Plastic2. Interface type: USB3. Battery capacity: 500 mAh4. Frequency response range: 100HZ-20KHZ5. Output power: 5 w6. Signal to noise ratio: greater than or equal to 75 dB7. Power supply: USB charging / built-in lithium battery8. Channel: 2.19. Playing time: 1.5 hours10. Bluetooth protocol: 4.111. Number of speakers: 112. Effective distance: 10 meters13. Function: card/radio/call function14. Play format: MP315. Connection method: Bluetooth connection16. Support format: U disk17. Dimensions: 86 x 72 x 32 mm18. Weight: 0.2kg