Main Features: <br />Transmission rate: 2.4GHz<br />FM distance: 5 -10m<br />Noise radio: 82dB<br />Distortion: 0.3%<br />Standby time: 6 months<br />Playing time: 5 - 8 hours<br />Charging time: 3 hours<br />Charging voltage: 5V<br />Wireless easy to operate? small and portable<br /><br /><br />    Specifications<br />Specification<br />  Model  : TS-X23                                                  <br />                        Bluetooth version: Bluetooth V2.0                                                  <br />                        Operation distance: 5 - 10m                                                  <br />                        Standby time: 6 months                                                  <br />                        Charging time: 3 hours                                                  <br />                        Color  : Black                                                 <br />Dimension and Weight<br />  Product weight   : 0.020 kg                                                  <br />                        Package weight   : 0.130 kg                                                  <br />                        Product size (L x W x H)  : 5.2 x 4.8 x 1 cm / 2.04 x 1.89 x 0.39 inches                                                  <br />                        Package size (L x W x H)  : 10 x 9 x 3 cm / 3.93 x 3.54 x 1.18 inches                                                 <br />Package contents<br />  Package contents: 1 x Music Receiver? 1 x Audio Line ( 30 cm )? 1 x USB Cable ( 19 cm )                                                 <br /><br /><br /><br />                                                <br />