Description
Power Saving High Performance SADES D803 Light Weight Head Wearing Wireless Bluetooth V4.1 Headphone Headset with Built-in Mic Specifications: Input Plug:3.5mm Mic Sensitivity:-40dB±3dB Impedance:32Ohm at 1khz Mic Impedance:≤2.2KΩ at 1khz Loudhailer diameter: 40mm Frequency range: 20Hz-20KHz Mic Frequency Range: 50-10KHz Approximate Weight : 195g Approximate Weight : 195g Reception Distance:10m+360° Frequency Response:20Hz-20KHz Carrier Frequency:2402MHz-2480MHz Travel Adapter:DC 5V(500MA) car charger Continuous operating hour:more than 6 hours Bluetooth protocol standard :Bluetooth V4.1 EDR Battery:chargeable Li-ion polymer battery(3.7V 250MAH) Chargeable power supply:computer USB port DC 5V;DC 5V(500MA) Package Includes: 1xUSB Charge Cable 1x3.5mm Audio Cable 1xBluetooth headphone