Super impresive bass wireless compact speaker ultra portable with durable strap for easy portabilty, Sync and plays music from smart devices through bluetooth. 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: A12531-B Bluetooth Version: 2.1 Input: DC 5V Ouput Power: 12W Speaker: 4 Inches Distortion: 0.5% @ 1W Frequency: 100Hz - 20KHz Separation: greater than or equal to 40dB (1KHz) S/N Ratio: ?80dB Transmission: 10m Battery: Built-in 3000mAh rechargeable battery Dimension: 265 x 135 x 150 mm (L x W x H) Weight: 1050g (Approx) Package Contents: Wireless Speaker I Charging & Aux Cable I Strap I User Manual