Low energy consumption and more stable Bluetooth 5.3 for stable connection New Bluetooth 5.3 chip, transmission distance up to 10m, low power consumption and stable and smooth signal to achieve true wireless freedom To perform a concert with series surround sound , turn on the two speakers at the same time. After starting up, take one of the speakers and double-click the power button to perform the interconnection operation. After hearing the prompt tone, the interconnection is successful. At this time, the two speakers will Play songs simultaneously The bass diaphragm is a powerful sound field and the shocking subwoofer is a in a small steel cannon, creating a 360 surround sound effect with equal coverage, so that everyone around you can get the same excellent listening experience Hands-free calling function for efficient online conferencing. Built-in microphone to enable high-definition hands-free calling with one click for efficient conference calls Intelligent Compatibility, No Limitations, Intelligent Compatibility with Mobile Phones/Tablets/Computers and other devices Bluetooth version: V5.3 Bluetooth receiving distance: 10 meters in a straight line without obstacles Speaker power: 3W Battery capacity: 300mAh Charging interface: TYPE-C interface Charging time: 1.5H Working hours: 3H at maximum volume (Note: The time will vary depending on the type of mobile phone and actual situation) Material: Aluminum alloy + silicone colour: Black Package Contents: 1 x Wireless Bluetooth Speaker 1 x 50CM TYPE-C Charging Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.