Latest Bluetooth 4.0 technology,the signal strength is nearly twice times than the general bluetooth headset in the market. Mini portable and sweat-proof design can be stay in your ears comfortably.
Fully exercise-proof: with elegant user interface, earpiece design, and a 10-meter working distance, 4-6 hours talking and music time,fully enjoy the hands-free calls and wonderful with clear and CD quality stereo sound.
Universal device compatibility: the Arma K3 Headphones are compatible with most Bluetooth-enabled phones, and reduce external sound.
Simple-to-use: control all functions of your music (volume, sound, song selection) and calls from your phone via our simple-to-use user interface on the headphones themselves.
Package contents: Kmashi Arma K3 Wireless Headphones + user manual + micro USB charge cable + custom earplugs + 1 year warranty.

Technical Details

Size (LWH): 3.8 inches, 2.8 inches, 1.4 inches
Product Details
Product Dimensions: 3.8 x 2.8 x 1.4 inches
Shipping Weight: 0.1 pounds (View shipping rates and policies)
ASIN : B00ZF815LK