• Input: DC5V
• Battery capacity: 145mAh
• Bluetooth Version: 5.0
• Bluetooth frequency: 2.4GHz
• Frequency response: 50Hz-20KHz
• Output interface: 3.5mm stereo plug
• Music playback duration: ~10 hours
• USB cable length: 50cm
• Bluetooth distance: < 10m
• MIC sensitivity: -42db
• SNR(Signal to Noise Ratio): 75db
• Charging port: supports MicroUSB DC5V/100mA input voltage

One full charge lasts for 10 hours
Built-in rechargeable lithium battery, one full charge lasts for 10 hours
It can be used while charging when the power is low, convenient and economical

As light as 12.3g, headphones are also supported
Wired earphones can also be turned into Bluetooth earphones, which are simpler without wires and the weight can be ignore when you wear the earphones of 12.3g

Turn Wired to Wireless
More Convenient for enjoying music
Wired speakers are turned into Bluetooth speakers breaking free from

One-click hands-free call free at ease ever after
Avoids the danger of one-handed driving and phone answering with one hand

Automatically shut down 3 minutes after disconnection Operate simply and connected automatically for the second time Turn on the Bluetooth of mobile phone to search for the device name [BSBA-02] and click on the connection to pai
After the Bluetooth connection is successful the blue indicator light will be solid on and the mobile phone can be connected automatically in the future.

10-M transmission distance enjoy freedom as you desired
No disconnection in 10-meter long distance, you can even enjoy music at the corner, and enjoy freedom as you wish