features of BT 4.1 Technology, built-in high-grade microphone speaker, hands-free calling function and lightweight design, it's convenient for you to listen music and answer calls while doing sports or driving. A great companion for your daily life, office time, driving or travel. Features: [BT Connection] BT 4.1+ EDR technology ensures strong signal and fast transmission, and offers high-fidelity stereo music. Compatible with iOS / Android / Windows Smart phones Tablet PC and other BT-enabled devices. [Lightweight and invisible] The BT headset with 4.4g lightweight, mini size and ultra-soft ear cap (for left right ear) provide you long time wearing comfort, and guarantee 100% stable. [Built-in High-quality Microphone] High-sensitivity microphone grasps the detail of voice, ideal for in-car calling or working use. Perfectly sets your hands free when you're at work or driving. [Duration Time] Built-in rechargeable 50mAh Lithium battery lasts up to 5 hours of talking time or music playing time and 250 hours of Standby Time on one full charge. [Easy Operation] Simple operation, easily control playing / pausing, adjusting the volume, previous / next songs, answering / rejecting / ending an incoming-call and redialing the last number.
