?Experience the real fun， Bluetooth headset delivers you powerful bass and high quality audio experience of stereo sound with Bluetooth technology and take call during workout - very easy to do both eliminates tangle wires that drive you?crazy. And simply stream music and calls via Bluetooth. Easy to operate buttons. You can play， skip and pause music，?control volume and pick up call calls. Waiting for a call， no need to disconnect. Your Bluetooth headphones the music will?go automatically to pause when an incoming call comes in.

Features:
Using the breakthrough Bluetooth 4.1 chips to enjoy extended battery life ! Latest Bluetooth 4.1?technology; easy and fast pairing. Also， you can connect two cellphones at the same time.
About 3 hours for charging and you can have 8 hours talking time or 4 weeks standby time.
High-fidelity stereo music and clear speech， You can begin enjoying CD quality stereo sound instantly.
Never miss a call: With the voice prompt，our Bluetooth headphones with mic make it possible for you to easily answer phone?calls when you are enjoying music! After your call is finished， you can start the music again in seconds.
Pure sound: In-ear white noise and listener fatigue reduction. Eliminates the white noise and delivers a clean audio?experience offering hours of pure enjoyment.
Unique neck-strap design for easy carrying.?Ultra light weight for all day comfort.
Noise reduction !#!amp!*! echo cancellation.? High quality sound with HD speaker and enhanced BASS effect.
Compatible with most cellphone and devices with Bluetooth capabilities.
Comfortable wearing style: In-ear design and light weight makes it easy to wear when doing sport.
Simple using: the simple user interface on one of the earphones allows you to adjust the volume， pause， select songs and?pick up calls completely effortlessly.

Specifications:
Bluetooth Version: 4.1
IC: CSR 8645 V4.1
Support Profiles: HSP， HFP， A2DP， AVRCP
Separation: !#!gt!*! 70dB
Changing voltage: MICRO USB 5V
THD: ≤0.5%
Working Distance: 15 Meters
Working current: 25-30 mA
Output power: 2x20mW
Input: DC5v/1A
Blue tooth working range: 10M
Frequency range: 2.4GHz-2.48GHz
Frequency response:20-20KHZ
SNR : S/N≥95
Distortion factor: ≤ 1%
Music / Talk Time: About 8 Hours
Standby Time: 4 Weeks
Changing Time: 2.5 Hours
Cable Length: 53cm
Item size: 75 * 4.5 * 2.5cm / 29.5 * 1.8 * 0.98in ( L * W * H )
Item weight: 21g / 0.75oz
Package size: 15 * 13.5 * 3.8cm / 5.9 * 5.3 * 1.5in ( L * W * H )
Package weight: 172g / 6oz

Package List:
1* Bluetooth Sport Earphone
1* Micro USB
6* Earplugs
1* User Manual