... Cordless bluetooth function. 2.Volume +/- control,ON/OFF button. 3.Many colors,mixed colors. 4.Frosted with rubber finish. Using ... password is: 0000, this Bluetooth device model: MSphone)3. Answer calls:When the phone rings,click the function ... 00MHzFrequency range2400.00-2483.50MHzOperating temperature-20 – 60ºCLithiumbattery3.7V,220mAh,602025Battery charger specification5.0-5.3v/100-450mAStandby ...