Features: 100% brand new and high quality Bluetooth-compatible 5.0 provides instant pairing and stable transmission without interruptions. Using upgraded dynamic coil speakers to enhance the sense of depth, presence and space, and present a three-dimensional surround effect like a live scene. USB powered desktop ,PC speakers. Upgrade anti-magnetic technology to avoid current noise. Could be connected with bluetooth-compatible or cables. Package Includes: 1xBluetooth-compatible Speaker Specifications: Material:Plastic Color:Black Option Type:Bluetooth-compatible Connection;Wired Connection; Bluetooth-compatible Version: 5.0 Operating Range: About 33 feet (10 meters accessibility) Charging Port:USB Frequency Range:100HZ-20KHZ Music Format:MP3 Signal Shielding: 75dB Support U Card Speaker Size:31.5x6x5.5cm/12.4x2.36x2.17in Output Power:6W note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.