JuSp Roman S530 Sports Bluetooth Hands Free Earphone Stereo Bluetooth V4.0 Dual Batteries Long Standby In-Ear Headphone with Mic For Tablet PC Smartphones-Red Specification:General Brand Roman Model S530Color Black, Red, WhiteWearing type In-EarFunction Noise Cancelling, Microphone, Bluetooth, Answering phoneSpecification Connectivity WirelessConnecting interface Micro USBApplication Mobile PhoneCore chip CSR8635Power supply Built-in 120mAh rechargeable batteryWorking time Talk time: 6.5 hours; Music time: 6 hoursStandby time Up to 240 hoursCharging time About 3 hoursExtended Function Bluetooth YesBluetooth version V4.0Bluetooth istance W/O obstacles 10mBluetooth model Hands free, HeadsetDimension and Weight Product weight 18 gPackage weight 0.080 kgPackage size (L x W x H) 20.0 x 13.0 x 6.0 cmPackage contents Package contents 1 x Earphone, 2 x Ear Hook, 1 x USB Cable, 1 x User Manual Work With Apple iphone 6/plus 5/5s/5c/4/4s/3,ipad/mini ,Samsung S2/3/4/5/6, note2/3/4/5,Motorola,Sony,HTC,BlackBerry,LG,Nokia,Lumia And All The Mobile With Bluetooth Function The built-in Mic with voice prompts and voice message can answer incoming calls.Can connect to two Bluetooth devices at same time. Intelligent operation,experience the convenient of sport :play/pause , Volume +/-, and next/previous track buttons, super easy operation.