Stereo speakers, take you to the scene, provide powerful low-I output, powerful and full of volume. Using anti-magnetic chip, with dual magnetic circuit design, positive and negative electromagnetic cancellation overcomes the long-standing technical difficulties of current noise, and no longer worry about the interference caused by electronic equipment such as mobile phones and computers. Built-in bluetooth design, stable transmission without lag, can support 10M distance connection. The volume of the dual-sound unit is stronger and can provide double the volume to bring you better audio, video and game effects. Compatible with mobile phones, computers, tablets, Bluetooth devices, easy wireless connection, and compatible with Windows Android, IOS and other operating systems, the signal is stable and compatible with 99% of Bluetooth devices on the market. Type: computer speaker Battery: 1200mah Function: BT/AUX/TF Bluetooth: 5.0 Adjustment form: button adjustment Speaker specification: 4 Euro 3W*2 size: 28 x 6 x 5cm Material: ABS colour: black Package Contents: 1 x Speaker Only the above package content, other products are not included. Note: Light shooting 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.