Bluetooth version 4.2 lets you enjoy stereo music wirelessly
Built-in microphone, allows for hands-free phone conversation
With TF card slot, enough for enjoying music any time any where
3.5mm audio jack, provides a simple wired connection of a variety of music players without Bluetooth function
Functions: play/pause, volume up/down, next/previous song, answering/ending call etc
Also support FM radio function
Adjustable headband length, very comfortable to wear and easy to carry
High quality polymer 250mAh battery, long standby time and music playing time
Foldable design, compact and portable, easy to carry