Audio-to-noise ratio: ≥90dB

Battery capacity: 500mAh

Built-in voltage: 3.7V

Normal volume playback: 2H

Speaker specifications: ф52mm*1

Speaker power: 4Ω/5W*1

Frequency response: 120Hz-20KHz

Size: 131mm*37.8mm*69.5mm

Single machine weight: 238g

Charging input: 5V/500mA

Charging time: 2-3H

Solar panel power: 5.5V/0.7W

Support Bluetooth protocol: support L2CAP/A2DP/AVRCP, used to receive stereo audio signal, through the protocol can control the upper and lower music operation of the audio transmitter;

Support HSP/HFP (Handsfree Profile), with hands-free function, voice communication

1. Adopt advanced Bluetooth audio decoding chip to support the connection of all Bluetooth devices;

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. Directly read TF card and U disk;

5. The Bluetooth receiving distance can be as long as 10 meters;

6. There is no connection in wireless mode, shut down in half an hour;

7. Support TWS;

8. Support solar charging;

9. Support flashlight.