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Specification: Brand Name: ROMANModel Number: R550Bluetooth Version: 4.1Standby Time: about 80 hoursTalk Time: More than 4 hoursMusic Time: More than 3.5 hoursEffective Distance: 10mCharging Voltage: AC Input 110-240V， DC output 5VOptional Color: Black， White， Green， Yellow.Microphone: Yes
Features:Support to external headphone cable.Support to take photo， just press the MFB button twice quickly. The earphone can control your phone to take pictures.
Package Included:1 X Bluetooth Earphone1 X Ear-hook1 X Charging Cable