Bluetooth Headphones, TOTU BT-2 V4.1 Wireless Headphones IPX7 Sweatproof Music Stereo Sports Headset, HD Sound with Bass, Noise Cancelling, Secure Fit, up to 8 Hours Working time (2017 Upgraded);

Product has been fully upgraded since Aug 20, 2017.
Battery capacity is increased to have longer working time. Up to 8 hours talking time(MAX).


Specification:
Bluetooth Specification: V4.1+EDR
Noise Reduction: CVC 6.0
Frequency response: 20 - 22kHz
Charge time: about 1.5 Hours
Play time:Up to 8 Hours
Standbytime: 160 Hours
Operating range: Up to 33 feet (10 meters)


What's in the Box:
TOTU Bluetooth Headphones
S, M, L Ear Tips
Micro USB Charging Cable
Zippered Carry Case
User Manual


Warranty:
12-Month Manufacturer's Warranty and 30 days no-questions-asked return policy.24/7 Customer Service.