This is a multi-functional earphone with fashion appearance. It adopts BT 4.2 version, having no delay, low power consumption, and perfect compatibility of signal. Mini size, you can carry it anywhere. Perfect for hands-free calls or to provide tunes while you are running, riding your bike or doing yoga. 
Features:
Ergonomic lightweight and comfortable design.
Super mini design, not easy to be found. 
Wireless BT design release your hands.
Wireless transmission distance is up to 10m.
One-key operation is convenient to use.
Built-in microphone provides you crystal clear sound during call.
Intelligent noise reduction let you have a clear conversation in calling.
Supports long using time, calling time 4 hours, music time 2.5 hours and standby time 1000 hours.
Stereo heavy bass effect provides you superior music experience. 
The charging cabin can be used to charge both earphone and mobile phone.
Compatible with most mobile phone and tablet computer.
Perfect for hands-free calls or to provide tunes while you are running, riding your bike or doing yoga. 
Four stylish color optional.
Specifications:
Material: metal
Color: black, grey, rose red, gold (optional)
BT version: V4.2
Transmission range: 10m 
Charging cabin battery-capacity: 700mAh / 3.7V
Earplug battery-capacity: 50mAh / 3.7V
Charging time: 1 hour
Call time: 4 hours
Music time: 2.5 hours
Standby time: 1000 hours
Charging time: 2 hours
Package size: 85 * 60 * 20mm / 3.35 * 2.36 * 0.79in
Package weight: 150g / 5.29ounces
Note:
1.Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures.
2.Please allow a little measuring deviation due to manual measurement.
Package List:
1 * Pair of In-Ear Sports Earphone
1 * Charging Cabin
2 * Pairs of Ear Caps
1 * USB Cable
1 * User Manual