Features: Bluetooth-compatible provides instants pairing and stable transmission without interruptions. Full frequency bluetooth-compatible speaker. Small piece 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. IPX7 Waterproof Wireless Shower Speaker; Specifications: Material:Plastic Color:Black Red,Black Blue,Black Gold,Black Orange (optional) Operating Range: About 33 feet without Obstacle(10-meter accessibility) Charge Port:USB Battery Capacity:800mAh Signal Shielding: 75dB Bluetooth-compatible Version: 3.0+EDR Charge Voltage 3.7V4.2VDC Working Voltage 4.8V5.5VDC Music Format:MP3,WMA Frequency Range:100HZ-20KHZ IPX7 Waterproof 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