Details Wireless Bluetooth Speaker Portable FM Subwoofer 3D Music Surround Radio Multifunction Card Indoor Subwoofer Features - 100% brand new and high quality. high definition sound Unique; innovative; outstanding design Compatible for iPod/ for iPhone/for iPad from every generation(Bluetooth) Smartphone compatible(bluetooth or line-in 3.5mm) Compatible with CD player or any other audio source through Libe-in 3.5mm Rechargeable battery - 10 hour Compact and portable; convenient to carry Functions - Bluetooth; TF card slot; Aux ; FM Radio Specification Rated Out - 5W Speakers - 4Ω.5W.D=52mm Battery - 900mAh 3.7V BT profiles - HFP/HSP.A2DP/AVPCP Frequency Response - 30HZ-16KHZ Signal to noise ratio - 85db The distortion degree - ≦1％ Playing time - around 4-6 hours Charging time - around2.5hours Material & finishes Painted PVC 3 colors Dimensions & weight 20.3*14.2*20.1(H*W*D)cm 0.7KG Accessories Speaker*1 Charging cable*1