(1).Bluetooth headphones support simultaneous usage. 

(2).You can easily connect two sets of wireless headphones to the one device at the same time and enjoy sharing sounds for over 8-10 hours non-stop. 

(3).4 EQ Different sound quality will make you feel the full depth of each soundo;            

(4).IPX7 water  protective proof with nano coating Headphones and water  resistant Metallic Housing  Protect  from the rain or sweat, perfect for running, jogging, hiking, gym, and all indoor and outdoor exercising;

(5).The CVC 6.0 noise cancelling and built-in microphone make it easy to take work calls anywhere; 

(6).CSR chip and Bluetooth 4.1 technology features faster & stable signal transmission, clearer sound quality and lower power consumption. 

(7).Come with S/M/L non-slippery earpad,fits for different size of ears.

Specification:

Bluetooth Version:Bluetooth V4.1

Support Bluetooth Profile:A2DP、AVRCP、HSP、HFP

Bluetooth Chip:CSR8640

Bluetooth Working Frequency:2.402GHz-2.480GHz

Transmission Distance: 33 feet(10m)

Charging Voltage:DC 5V

Working Time: Up to 8 hours

Frequency Response:50Hz-20KHz

Standby Time: Up to 160 hours

Charging Time:1-2 hours

Package Include:

1 x Bluetooth Sports Headphone

1 x USB Charging Cable

1 x User Manual

3 x Ear-Tips (L,M,S)