Supreme bass wireless compact speaker ultra portable with durable strap for easy portabilty. Dirt-proof coating with bluetooth, line-in, Micro SD card and FM radio. Features - Wireless and compact speaker - Ultra portable with durable strap - Dirt-proof rubber finishing for better protection - Conenects easily with any bluetooth-enabled device - Sends bold and immersive sound in every direction - Also supports AUX line-in, MicroSD card and FM radio - Charges with the most USB power sources Technical Specifications: Product SKU: A12535-B Bluetooth Version: 2.1 Input: DC 5V Ouput Power: 2W (tweeters) 7W (sub) Speaker Size: 2" (tweeters) 4"(sub) Distortion: 0.5% @ 1W Frequency: 100Hz - 20KHz S/N Ratio: ?80dB Transmission: 10m Battery: Built-in 3000mAh rechargeable battery Dimension: 260 x 135 x 140 mm (L x W x H) Weight: 1290g (Approx) Package Contents: Wireless Speaker I Charging & Aux Cable I Strap I User Manual