1. Alarm clock + clock, digital display time, intuitive and convenient. 2. Support various music playing software, mini microphone speaker function, volume and reverb can be adjusted, enjoy K song anytime, anywhere. 3. Bluetooth 5.0, the connection is more stable, more energy efficient, low noise, fast pairing, effective distance 10-30 meters. 4. 53mm magnetic suspension speaker, heavy bass effect, shocking and hearing. 5. Built-in 2200mAh lithium battery, charging time is about 5 hours, standby time is 50 hours, and loud music playing time is 8 hours. 6. Mini size, easy to carry, enjoy music anytime, anywhere. 7. Intelligent compatible with various devices, such as mobile phones, computers, tablets and other Bluetooth devices, compatible with Windows / Android / IOS and other operating systems. Specifications: 1. Support playback mode: TF card card playback and Bluetooth playback. 2. Weight 400g. 3. Output power: 5W. 4. Audio input: AUX, DC 5V. 5. Charging interface: USB.