1. High-quality intelligent noise reduction loudspeaker
2. U disk design, the USB port is stable and not loose
3. Battery capacity: 230mah
4. Earphone playback time: 12 hours
5. Outside play: 2 hours
6. Interface: USB 2.0
7. Headphone jack: 3.5mm
8. Weight: 52g
9. Packing list: Bluetooth host, packaging carton, headset, manual