Audifonos Bluetooth Wireless Bluetooth Headphone China

Brand Name: prosng Model Number: PS-BT512 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Speaker diameter: 40mm impedance: 32Ohms color: multiple choices package: blister card packing Packaging & Delivery Packaging Detail: Blister card packaging or as client's request Delivery Detail: 15-30days after receive client's deposit Specifications 1.high quality 2.one stop service 3.good after-sale service       audifonos bluetooth wireless bluetooth headphone china   Brief Introduction: Speaker diameter: φ40 milimeters Impedance: 32 OhmsSensitivity: 108dB S.P.L.at 1KHz;Rated power:20mWAggregate capability:50mWFrequency Response:20Hz-20,000HzMicrophone Unit:φ6*5mmImpedance:≤2.2KOhmsFrequancy Response:30Hz-16,000HzOperating voltage:3.0V   Specifications: 1)Support systems:audio equipments with bluetooth functions,such as PC,cellphone,MP3…  ;                                                      2)Bluetooth protocol standards:Bluetooth V2.1+EDR                                   3)Receiver range:10m / 360.                                    4)Carrier frequency:2402MHz-2480MHz;                                                  5)USB interference:High speed USB 2.0;                                                     6)Battery:chargeable lithium-ion polymer battery (3.7V/320MA/h);                                                                7)Charger power:computer USB interface DC5V;DC5V(500MA);travel charger;DC 5V (500MA)car charger ;                                                                                                        8)Successive working time:about 12 hours;                                              9)Frequency response:20Hz—20KHz;                                         10)S/N ratio:_82db    Photos: