new 840 wireless bluetooth earphoneModel: CT-STN-840PRODUCT DEscriptION:1.Multipoint key bluetooth earphone with microphone 2. High Quality Multipoint Stereo Headset with dual microphones .3. Clear Communication .4.Supports Aptx and AAC (optional) for sound enhancement . 5. APT-X Hi-Fi for Playing Stereo quality music .6. Pause the music & Play back automatically when receiving an incoming call .7. Automatically connect to the last connected Bluetooth device .Function characteristics:Bluetooth V4.0 version ,Website:http://www.smartcoolproduct.com,JianrongSupports Bluetooth Headset musicSupports music songSupport the last number redialVoice reporting function.Bluetooth Headset operation voice prompt function.Supports Micro message, vehicle navigation, QQ voice software.Conversation 4-6 hours, 4-5 hours, listening to music, and 150 hours of standby time.Certificates: CE,ROHS,FCTransmission distance: 10mFrequency Response: 20Hz-20KHzCharging Interface: Micro USBIP Grade: IP67
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