This 8 Inch Rechargeable Bluetooth LED Speaker comes with a peak power of 500 Watts. It has a built-in rechargeable battery which allows you hours of continuous music playing. The TWS (True Wireless Stereo), One Bluetooth device can connect with 2 speakers at the same time for True Wireless Stereo Sound. Bluetooth compatibility allows for wireless connection to any A2DP stereo Bluetooth device and it has Bluetooth range up to 30 ft. Features: 500 Watts Peak Power Built-in rechargeable battery offers hours of continuous music playing A2DP AVRCP stereo Bluetooth device TWS (True Wirelss Stereo), One Bluetooth device can connect with 2 speakers at same time for True Wireless Stereo Sound ABS Plastic Face Rugged perforated grill for extra protection Woofer: 8'' LED woofer LED Power Switch Inputs: USB flash drive, FM Radio AUX Bluetooth 1/4'' microphone input Built in LCD screen with playback controls USB Card maximum size: 64GB Plays .mp3 files from USB drives Bluetooth compatibility allows for wireless connection to any A2DP stereo Bluetooth device Bluetooth Range: 30 Feet Top carry handles Repeat function on USB Card inputs Impedance: 3 ohms Sensitivity: 80 2dB (1W@1M) Frequency response: 80Hz - 18KHz For maximum battery life the rechargeable battery should be fully charged prior to its initial use 8-10 hours Dimensions (L x W x H): 8.86'' x 7.48'' x 14.17''