SoundBot SB731 Bluetooth 4.0 Around-the-Neck Wearable Wireless Headset Stereo Headphone w/ Flexible Neck Band, 15hrs of Music Streaming or Hands-free Talking, 20days of Standby Time, Multi-Point Connectivity, A2DP Technology, Enhanced Audio & Bass Response, Built-in Mic, & Smart Vibration Alert (BLUE) Latest Bluetooth 4.0 wireless standard w/ enhancedaudio and bass response to deliver rich and dynamic music playback effect and clear voice calls. Ultrafeather-lightweight on the ears with around the neck designin flexible and bendablecollar body neck band frame to provide maximum comfort, mobility, and portability for both outdoor and indoor use. Intuitive Smart Vibration Alert and magnetic hassle-free magnetic compartment to keep the wires intact, seamlessly store, and conveniently locate the earbuds as needed. Universal stereo headset with multi-pointconnection technology supports simultaneous pairing to two devices with all compatible Bluetooth enabled devices from up to 33 feet away.Itsone of the kind chic stylish appearance that turns the headset into a wearable fashion accessory. Battery level indicator on supported iOS devices including iPhone, iPad, or iPod. Built-in lithium-ion rechargeable battery for up to 15hrs of talktime/music streaming and 20days of standby time.