The BT earphone is very suitable for sports use, ear cap of ergonomic design, dust-proof and sweat-proof. Its wire control is convenient design for music playing and phone calling, making your sports more pleasant. 
Features:
Made of aluminum alloy, smooth and chic shape.
Ear cap of ergonomic design, comfortable for long-time wear.
Exquisite metal wire control design, convenient for music playing and phone calling.
HIFI sound quality, stronger shake.
It can connect two mobile phones at the same time.
Specifications:
Color: Black, Grey (optional)
BT Version: BK3266 V5.0
Play Time: 8H
Standby Time: 180H
Cell Capacity: 60mah in each ear
Effective Distance: 10M
Package Weight: 50g / 1.76ounces
Package Size: 107 * 83 * 40mm / 4.21 * 3.27 * 1.57in
Package List:
1 * Host
1 * Charge Cable
1 * User Manual