dodocool Bluetooth Headphones Wireless Earphones Stereo Sports Earbuds 4.1 NFC Noise-Reduction Sweat Resistant for iPhone, Samsung and More;

Comfortable Wearing Experience
Lightweight and behind-ear ergonomics design make it comfortable to wear. Included soft S/M/L ear caps provide secure fit and comfortable wearing experience, making it better for sound isolation and easy to stay put while you exercise. 

Premium Sound Quality
Adopt aptX audio encoding to deliver unparalleled high-fidelity stereo sound quality. By reducing background noise with CVC 6.0 noise cancellation technology, it enables you to stream music or enjoy hands-free function with the built-in microphone anytime, anywhere.

In-line Remote Control
Multiple control buttons enable you to adjust the volume, control media playback, answer/reject/transfer/end calls easily by using the buttons on the headphone. 

Specifications
Wireless version: V4.1
Indicator light: Blue or red
Profile support: HSP, HFP, A2DP, AVRCP, APT-X
Working distance range: Up to 33ft / 10m
Talk/Music time: Up to 10 hours
Standby time: Up to 180 hours
Charging time: Approx. 2 hours
Charging voltage: DC 5V
Frequency range: 2.402G - 2.480G
Ambient temperature: -20 / +60°C
Battery capacity: Approx. 130 mAh lithium polymer battery
Item weight: Approx. 0.87oz 

Package Includes
1 * dodocool Foldable Wireless Stereo Sports Headphone 
1 pair * S Size Earplugs
1 pair * L Size Earplugs
1 * Micro USB to USB Cable
1 * Instruction Manual