?More Details:<br><br><br><br><br><br>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｣ｬ DC output 5VMicrophone: YesOptional Color: Yellow｣ｬ Blue｣ｬ Black｣ｬ Red.Function:  Show apple power｣ｬ vanish echo and reduce noise｣ｬ pause｣ｬ playback｣ｬ APTX.<br>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.<br>Package Included:1 X Bluetooth Earphone1 X Earphone Bag1 X Earmuff1 X Ear hook