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 ClassⅡ Frequency:2400.0-2483.5MHZ Bluetooth supported: Headset handsfree A2Dp and AVRCP Chipset:CSR Opetation Range:10M Talk Time:2-3 hours Music playing time: up to 7 hours Stand-by time:up to 250 hours   Note:If your device doesn't have a bluetooth,you may buy a bluetooth adapter. Package Content: 1 x Mini-503 Wireless Bluetooth Earphone 1 x USB Charging Cable