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Specification: Brand Name: ROMANModel Number: S370Bluetooth Version: V4.1Bluetooth scheme: CSR8635Standby Time: about 240 hoursTalk Time: More than 6.5 hoursMusic Time: More than 6 hoursEffective Distance: About 10 mCharging Voltage: AC Input 110-240V， DC output 5VMicrophone: YesOptional Color: Yellow， Blue， Black， Red.Function: Show apple power， vanish echo and reduce noise， pause， playback， APTX.
Features:Support to connect with two cellphones at the same time.You can change the song freely and adjust the volume.Clear Sound like in a concert.
Package Included:1 X Bluetooth Earphone1 X Earphone Bag1 X Earmuff1 X Ear hook