M163 Bluetooth 4.1 Headphones Wireless Business Earphone In-ear Music Headset Earpiece Hands-free Earbuds with Microphone

features of BT technology, built-in high-grade microphone speaker, hands-free calling function and lightweight design, the headphone is convenient for you to listen to music and answer calls. A great companion for your daily life, office time, driving or travel.
Features:
BT Connection: BT 4.1 ensures strong signal and wireless connection range is 10 meters (no obstacle).
Hands-free with Mic: High-quality Microphone grasps the detail of voice, ideal for in-car calling or working use.
Long Battery Life: Built-in rechargeable 60mAh battery lasts about 2 hours of working time on one full charge.
Comfortable to Wear: 6g lightweight, in-ear design and ultra-soft earcap provide you long-time wearing comfort.
Easy Operation: One button easily controls playing/pausing, answering/ending a call.