Features: Dual Core Horn and 360 surround sound, enjoy 4Dstereo and deep bass- sound Support Bluetooth-compatible and 3.5mmAUX / TF-card USB U-Didsk modes. Made of high quality material, lightweight and simple shape,easy to carry with. Portable speaker widely used for computer,TV, phones, pad and home theater sound-system-. This speaker uses flat bottom design, compact-, can stand firmly on the desktop-anytime, anywhere without taking up space. Specifications: Item:Desk Bluetooth-compatible Speaker Connection distance: about 10Meters Output power: 5Wx2 Output voltage: 5V Bluetooth-compatible version: v5.1 Working voltage: DC5V Battery capacity: 1200mA built-in lithium-battery Frequency response range: 100HZ-20KHZ Battery life: 3-4 hours Color: As Pictures size:approx 383x64x55mm/15.08x2.52x2.16in Weight:approx 600g Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1PC Speaker 1PC Type-C Cable 1PC 3.5-Aux Video Cable 1PC Manual