M5 Wireless BT Stereo Headphone BT 4.1 CSR8635 In-ear Earphone IPX 5 Waterproof Hands-free Headset with Mic Absorptive Design for Android / iOS Smart Phones Other BT-enabled Devices

M5 Wireless BT Headphone brings you perfect music enjoyment. With 4.1 technology and high-quality microphone, the headset presents the purest sound quality for clear communication and high definition music. What's more, IPX 5 Waterproof design allows you to enjoy music during sports or other occasion. Absorptive and magnetic design is convenient to put it away when not using it.

Features:
[BT Technology & Strong Compatibility]
BT 4.1, powerful chip CSR8635 gives you better using experience with excellent communication, promotion of connection speed and energy saving. What's more, it is perfectly paired with almost all BT-enabled mobile devices such as, for iPhone SE 6 6Plus, for Samsung Galaxy S7 / Edge, Tablet PC, Laptop, etc.
[Excellent Sound Quality & CVC6.0 Noise Reduction]
With CVC6.0 noise reduction technology, It delivers high definition stereo and surround sound quality when picking up calls or listening to music cutting off ambient noise. Purest and clear sound will present to you at once. 
[Multi-point Connection & Hands-free Call]
It can connect two smarts phones at the same time so that you cannot miss any calls. Built-in HD microphones, hands-free function brings much convenient and makes sure safety when driving or sporting without hands. It also supports number reporting, last number redial and voice prompt.
[Duration Time]
With built-in 75 mAh capacity, it provides up to 4 hours of working time, up to 5 hours of music time and the standby time can last to 60 hours. No worry about low power when you are outside. 
[Ergonomics Design & IPX 5 Waterproof Design]
Technical ergonomics is design for comfort. Comfortable wearing and no dropping. IPX 5 Waterproof design allows you to enjoy music during sports or other occasion. Absorptive and magnetic design is convenient to put it away when not using it.

Specification:
BT Version: BT version V4.1 + EDR
BT Profile: HSP, HFP, A2DP, OPP, AVRCP
Working Distance: 10m
Frequency Response: 2.400GHz-2.480Ghz
Sensitivity: >80 db
Impedance: 16 ohm
Distortion: 0.1%
Charging Time: about 1.5 hours 
Talking time: about up to 4 hours
Music Time: about 5 hours
Standby Time: up to 60 hours       
Battery: 75 MA
Charging Voltage: 5V / 1A
Color: Black with Green
Cable length: Approx. 56.5cm / 22.24in
Item Weight: Approx. 12g / 0.42oz
Package Size: Approx. 15.8 * 9.7 * 2.9cm / 6.22 * 3.82 * 1.14in
Package Weight: Approx. 87g / 3.06oz

Package List:
1 * Headphone 
2 * Pairs of Ear buds
1 * Charging Cable 
1 * User Manual