Features: Immerses in the sound of the TG506 Wireless BT4.2 Sound Box for the ultimated outdoor auditory experience. Support radio and card slot music player, automatically read auditory files and play after inserting card Rechargeable battery, can be used after charging; Low power consumption, powerful, strong, loud and clearly sound Multiple button control, you can be adjusted individually Specifications: Charging voltage: 5V 500mA Amplification frequency: 100HZ-20KHZ Sound Box power: 3W Battery: (rechargeable) 400mAh Product size:approx 12.5X4.5X8CM/4.92x1.77x3.15in Control method: Support BT4.2 Color: Optional Package Includes: 1PC Wireless Sound Box note: Due to the different monitors and light effect, the actual color the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring difference due to manual measurement