Features: Ultra portable/Bluetooth/ TF card/Cute Design /Perfect Sound Quality/ Aux-in/
1. Voltage: 3.7V
2. Output: 3W/4Ω
3. Impedance: 4ῼ/ Frequency: 2.40G-2.480GHZ
4. Rechargeable Battery: 600MaH 18650/3.7V
5. Bluetooth Version: 4.1;
6. Charing Time: 1-2H/ Playtime: 8H（60%Volume）
7. Distortion: <5%
8. SNR (signal-to-noise ratio): >75dB
9. Sensitivity: (-90dB)
10. Use Environment: Outdoor;
11. Material: Silicone, high quality ABS;
12. Color available: Wooden Brown Black/ White;
13. Product Size: 8.5 X 8.5 X 3.5 CM, Weight: 0.20 KG