Rechargeable Cordless Mini Speaker (Bluetooth Version 3.0) in Metal Housing, with Excellent Sound Quality. Frequency: 200Hz-20Khz. Power 3W. Easy to Operate & Suitable for the Most Popular Mobile Devices & Tablets. Also Suitable for Sd Cards. Incl. USB & Audio Cable (Approx. 51 Cm) with Standard 3.5 Mm Plug, Rechargeable Battery & Instructions. Each Piece in a Box. Minimum Quantities Apply.