Product Features:Well design and easy to use.Stable neckband means versatility for use conditions.Seamless switching between music and calls.Great sound with control. Compatible with: Various Bluetooth enabled devices, for example mobile phone(iphone 4/4s/5/5s/5c,samsung S3/S4/Note2/Note3,

Product Features:Well design and easy to use.Stable neckband means versatility for use conditions.Seamless switching between music and calls.Great sound with control. Compatible with: Various Bluetooth enabled devices, for example mobile phone(iphone 4/4s/5/5s/5c,samsung S3/S4/Note2/Note3, HTC, PDA, laptops, MP3/4/5 etc.Bluetooth version:V2.1 EDR ClassⅡFrequency:2400.0-2483.5MHZBluetooth supported:Headset handsfree A2Dp and AVRCPChipset:CSROpetation Range:10MTalk Time:2-3 hoursmusic playing time:up to 7 hoursstand-by time:up to 250 hours Note:If your device doesn't have a bluetooth,you may buy a bluetooth adapter.Package :1 x Mini-503 Wireless Bluetooth Earphone1 x USB Charging Cable