Features: brand new and high quality Bluetooth-compatible provides instant pairing and stable transmission without interruptions. for most band bluetooth-compatible devices. Small piece and easy to carry. Support TF card display. 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. Specifications: Material:ABS+Rubber Color:Black,Blue,Red,Gold,Silver (optional) Operating Range: About 33 feet without Obstacle(10 meters accessibility) for Play Time:About 5 hours Charging Port:USB Support TF Card Battery Capacity:1200mAh Signal Shielding: 75dB Output Power:5W Bluetooth-compatible Version: 4.2+EDR Music Format:MP3, Wav ,Wma, Flac ,Ape 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: 1x Bluetooth-compatible Speaker 1x USB Cable 1x Audio Cable 1x Strap 1x Manual