Bluetooth Headphones Wireless Sports Earphones - Bluetooth 4.2 Headset with Hearing Balance and Mic Echoes Cancellation Technology for Running Gym, Lightweight and Portable Design by Kamtron

?LIGHTWEIGHT SWEATPROOF EARPHONES?The bluetooth headphone is lightweight (1.3oz) and compact for easily wearing and carrying. Its unique behind-the-head wire can flexibly auto shrink, which eliminates troublesome wires tangling or dangling. Totally sweat-proof, perfect for all kinds of sports, including running, jogging, walking, cycling and more ?BLUETOOTH 4.2 TECHNOLOGY?Industry-leading CSR 8635 chipset guarantees the transmission faster and stabler. Wireless ranges up to 33ft. Built-in microphone for HD hands-free calling. It also supports simultaneous connection of two devices ?HIGH FIDELITY SOUND? The ergonomic and secure fit design earbuds securely fit on your ears and never falls out, ensuring enough comfort all the day. Hi-Fi stereo quality delivers you crystal clear treble and rich sound with deep bass. Great for escaping into your own music world ?LONG WORKING TIME?The built-in high-density rechargeable lithium battery lasts up to 12 hours of uninterrupted playtime/ 13.5 hours of talk time with a quick charge of only 2.5 hours. Don't worry about the lack of electricity when you are in exercise ?COMPATIBILITY?Compatible with almost all Bluetooth enabled devices such as iPhone, iPad, Samsung Galaxy Series, Sony Xpeira,Google Nexus, Android Phones, Tablets and more