1. Imported CSR chip, Bluetooth 4.1 version
2.NFC near field fast connection
3. Full-range speaker size: 50mm 4Ω 8W
4. Working time: 14-16h, charging time: 5.5h
5. Rated output power: RMS 5W*2
6. Built-in rechargeable lithium battery: 2600mAh/7.4V