10W of Peak Power. Your jams will keep you jamming. SD Card Input: supports reading your favourite tunes from an SD card. USB Card Input: supports reading your favourite tunes from a USB flash drive. FM Radio: For those occasions where your own music just isn't enough. Auxiliary Input: Not using the SD or USB inputs? Easily connect this speaker to any device with an stereo output and keep the music going. Technical Specifications: Chipset: JL Bluetooth Operating Distance: 10 m Bluetooth Version: 5.0 Battery Capacity: 1 200 mAh Sensitivity: 85 dB Charge Time: 5 - 6 hrs Battery Type: Li-Ion Playback Time: 1.5 - 2 hrs Total Power Output: 2 x 3 W = 6 W RMS / 10 W Peak Max. Size for USB Drive: 16 GB Charge Input / Power Supply: 5 V DC, 0.5 A Driver: 2 x 2"" Impedance: 4 ? Signal to Noise Ratio: 95 dB USB Charging Cable: Yes FM Radio: Yes ICASA: TA-2018/2044 FM Radio Range: 87.5 – 108.0 MHz Frequency Response: 120 Hz - 20 kHz SD Card: Yes Aux:Yes What's in the box 1 x Bluetooth Speaker