**1. Support Bluetooth
**2. BT Handfree for calls; echo processing
**3. Transmission range:＞10m
**4. battery:800mAh
**5. Stereo sound output, Built-in bass diaphragm,with perfect Bass effect
**6. Aux in function
**7. with colorful led lights
**8. Support USB/TF card/FM radio
**9.Size:120mm*39mm*56m