Features: Bluetooth-compatible provides instants pairing and stable transmission without interruptions. Small soundbox and easy to carry. Using upgraded speaker to enhance the sense of depth, presence and space, and present a three-dimensional surround effect like live scene. Instantly connect to your phone with 33 feet operating range; 360 degree surround stereo sound delivers a rich sound experience for your home,office or car; Specifications: Material:ABS Operating Range: About 33 feet without Obstacle(10-meter accessibility) Charge Port:USB Battery Capacity:1200mAh Signal Shielding: 85dB Bluetooth-compatible Version:5.1 Music Format:MP3,WMA Frequency Range:100HZ-20KHZ 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. Package includes: 1xSpeaker 1xUSB Charge Cable 1xManual