1. Parameter specifications:
◆ Bluetooth specification: V4.2
◆ wireless transmission range: 10m
◆ audio noise ratio: ≥ 90db
◆ Battery capacity: 1200mAh
◆ built-in voltage: 3.7V
◆ normal volume playback: 3h
◆ speaker specification: * 45MM * 2
◆ power: 5W * 2
◆ frequency response: 120HZ-20KHZ
◆ product size: 72.6x72.9x178.7mm
◆ single machine weight: 490g
◆ charging voltage: 5V/500MA

II. Functional features
1. Adopt advanced Bluetooth audio decoding chip to support all Bluetooth device connections;
2. Support FM radio, you can directly search for radio stations in the listening area;
3. The tone is soft, clear and dynamic, with distinct levels;
4. Direct reading TF card and USB flash disk;
5. The Bluetooth receiving distance can be as long as 10 meters;
6. Support LINE IN audio input, provide you with computer speaker function; Can directly connect to mobile phone/tablet computer/And TV Bluetooth matching to play music;

7. No connection in Bluetooth mode, automatic shutdown in half an hour.
8. Colorful LED lights with various flashing modes. The lights can flash with the music melody and change with one click. The music melody can not only be heard but also be seen.