Hands Free Super HI-FI Stereo Folded Bluetooth Headphone

Brand Name: OEM Model Number: KBT-9210 Style: Headband Communication: Wireless Connectors: Bluetooth/Wired Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) weight: 260g speaker Size: 57mm Packing: Color box Type: Bluetooth wireless/ wired 2 in one Bluetooth version: Bluetooth v2.1+EDR class 2 Feature: built-in microphone, call-forwarding function Support profiles: Headset, Hands free, AVRCP, A2DP Battery: 3.7V lithium-polymer battery 300mAh Talk time: up to 8 hours Packaging & Delivery Packaging Detail: Color box & Your OEM packing Delivery Detail: 3-7days, subject the the final order Specifications Hands free Super HI-FI Stereo Bluetooth headphone 1.hands free 2.bluetooth 2.1 3.HI-FI 4.folded Hands free Super HI-FI Stereo Bluetooth headphone Super HI-FI Stereo; fashion; cool; comfortable design;different folded mode ;1: Headset, Handsfree, A2DP and AVRCP Profiles 2:Automatic Switch-over between calls and music including:*color box with blister netto* Stereo Headphone* User Manual* USB Cable-- Bluetooth version: V2.1+EDR Class II -- Frequency range: 2.402-2.480GHZ GFSK --Sensitivity:-80dBm -- Operation range: about 10 meters-- Frequency response: 20Hz-20kHz -- Battery: 3.7V lithium-polymer battery 300mAh -- Play time: about 8 hours-- Charging time: about 2hrs. Microphone:--Microphone size:6mm--Sensitivity:-52db--Impedance:≤2.2kΩ--Frequency response: 75HZ-16KHZ Speaker:--Speaker diameter:57mm--Impedance:32Ω--Sensitivity:110db--Speaker Power:2*10Mw --Frequency Response:20HZ—20KHZ