Fourth Generation Bluetooth Headset With Automatic Noise Reduction

Product information:Size of charging chamber: 45x21 x 45 (mm)Battery capacity: Headset 25mAh, charging chamber 220mahTransmission frequency: 24GHz band (24000-2.48356hz)Support protocol: HSP / HFP / A2DP (SBC, AAC / AVRCP)Receiving standard distance: 15mCharging time: 45 minutes for earphone and 90 minutes for charging chamberWorking / storage temperature: - 10 ﾰ c-50 ﾰ CBluetooth protocol: 5.0Channel: StereoUsage: EarplugSingle or double ears: Bilateral stereoColor: Classic black, Athens white, natural green, lovely pink, orange window.adminAccountId=242469743;