Wireless Bluetooth Headphones/ Bluetooth Wireless Headphone

Brand Name: OEM Model Number: FM8500 Style: Headband Communication: Wireless Connectors: 2.4 Use: FM HI-FI wireless headphone Function: Noise Cancelling Place of Origin: China (Mainland) cataloge: FM HI-FI wireless headphone power supply: 2*AAA warranty: one tear Packaging & Delivery Packaging Detail: gift box Delivery Detail: samples for stock,orders for 25-30 work days Specifications ) CSR multimedia hi-fi blutooth chipset 2) Apply to any bluetooth mobile phone 3) Frequency response: 20Hz-20KHz wireless bluetooth headphones/ bluetooth wireless headphone Model NO.8500  Specifications:1) CSR multimedia hi-fi blutooth chipset 2) Apply to any bluetooth mobile phone 3) Frequency response: 20Hz-20KHz 4) Signal to noise ratio: -82dB 5)R/L channel separation: 45dB 6)receive sensitivity:118dB  S.P.L.at  1KHz 7)Effective distance: 10m.