Sunvito HBS-740 Wireless Bluetooth 4.0 Music Stereo Universal Headset Headphone Vibration Neckband Style for iPhone iPad Samsung LG (Black-red) Enhanced Audio and Bass Response. Bluetooth version 4.0. Supoort wireless bluetooth music and making calls Compatible with majority of smartphones or tablets with Bluetooth function Unique around-the-neck design that's light weight and comfortable for all-day use Audible Battery Status Alert, Auto-Reconnect Vibrating call alert, help you not miss any calls. Audible pairing assistance