Product size:98*64*177.5mm                                                                                                                                      Support Bluetooth 2.1 +EDR audio sources ,                                                                                                                   hand free kit,TF card USB flash support                                                                                                                              Volume control charge indication,                                                                                                                                    status indication *                                                                                                                                                                  Battery capacity:800MA * Power Supply:                                                                                                                              DC 5 Volt * Output Power: 3W+3W * Driver Unit:40mm ,4ohms,The inner magnetic                                                               * Frequency Response: 100-18Khz                                                                                                                          *Bluetooth solution：JL                                                                                                                                                     Packing: Carton size：600*320*455mm Quantity / carton：50pcs N.W/G.W：29.1/30.1kgs