C7 Bluetooth 5.0 Speaker Transparent LED Luminous Subwoofer TWS 6D Surround HIFI Stereo Cool Audio(Black) Features: 1.Transparent acrylic colorful Bluetooth speaker with LED lights is attractive, which will create a cheerful atmosphere for family entertainment. 2.TWS wireless interconnection allows it connect the same two products to form left and right stereo sound. 3.360-degree surround stereo sound delivers a rich audio experience for your home, office or on the road. 4.Built-in 1000mAH battery will provide you with long standby time for music enjoying. 5.Small and compact, this speaker can be held with one hand, convenient to carry. Parameters: Speaker size: Approx. height: 90mm, width: 68mm Product model: C7 Bluetooth speaker Output power: 3W Bluetooth version: 5.0 Transmission distance: about 10m Speaker Power: Standard version: 3.7V 600mAh Specification: DC5A-2A List: 1* C7 Bluetooth Speaker 1* charging cable 1* instruction manual