Mini Wireless Bluetooth Headphones/earphones Bluetooth

Brand Name: OEM Model Number: YU-BTE800 Style: In-Ear Communication: Wired Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: China (Mainland) Packaging & Delivery Packaging Detail: Colored paper box,blister packaging Delivery Detail: 23-30days Specifications Adavantages: Providing you fresh enjoying of beautiful sound.Its elegant and comfortable design makes it ideal for you.  Newest bluetooth earphones with mic and volume control  Specification:                                                                      speaker and mic:                                        1.Speaker diametter:10mm 2. Impedance:32Ohm3.Sensitivity:S.P.L:110dB S.P.L.at 1KHz4.Rated power:100mW5.Frequency Response:100Hz-9000Hz 6.Microphone Unit:dia 4*1.5mm 7.Directivity:all directions 8. S.P.L:-42±3dB 9.Impedance:≤2.2KΩ   10.Frequency Response:30-16,000HZ 11.Operating voltage:4.5V                                                   bluetooth part:                                    1.Chipset:CSR 8645                         2.Version:Ver.3.0                                       3.HSP1.2/HFP1.6 4.RF transmit: +4dBm(Max) 5.Receive sensitivity:-90dBm              6.Transmission Range (Hz)  20 - 20,000                 7. 10.Transmission range:10M         Our factory and workroom: