Features: 1.Dual Speakers: Dual speakers provide an excellent dynamic sound experience that makes the sound even more vivid. 2.RGB Lighting: Colorful RGB lighting improves the music and gaming experience. With a variety of lighting modes. The lights danced to the music. 3.Dual Connection: With Bluetooth 5.1 and USB wired connection, you will have a variety of sound source options, you are free to choose the sound source you need. 4.Battery or USB Powered: PC Bluetooth speakers can be powered by built in large capacity rechargeable battery or USB. After connecting to a USB port (e.g. laptop, power adapter), the computer sound card will automatically open. 5.Wide Compatibility: Plug and play, compatible with a variety of Bluetooth devices for PC, TVS, laptops, tablets and smartphones. specification:Item Type: Bluetooth Speaker Material: ABS, Metal Bluetooth Version: V5.1 Support Protocols: A2DP, AVRCP, HFP, HSP Sound Range: 145hz to 20khz Sensitivity: 843 db Signal to Noise Ratio: 80% Bluetooth Effective Distance: 10m (barrier Free) Horn: 53mm X2 Horn Power: RMS 4 5W Product Size: Approx. 400.3 x 67.9 x 71.5mm / 15.8 x 2.7 x 2.8in Interface: Type C Charging, sound Input Interface Memory Card: Support Up to 32G (excluding) Scene Light: Full Color Rgb x13pcs Sleep Current: 1mA Battery: 1800mah Lithium Battery (included) PackageList:1 x BluetoothSpeaker 1 xChargingCable