Bluetooth 4.1 CSR Technology
HD SOUND, SWEAT PROOF, CONNECT MULTIPLE DEVICES, COMFORT WEARING WITH SECURE FIT
Battery Capacity 85mah, long battery life allows seamless enjoyment of music for up to 5 hours and 150 hours stand-by
Connect seamlessly with all Bluetooth enabled devices up to 30 feet away
Support caller report, line control answer/hang up/rejection/on-off, redial, 
volume adjustment, Chinese-English shifting, up and down song switching
Support any mobile phones with Bluetooth device, iPad and desktop computer
Multi-color for optional
Offer 1 YEAR’S WARRANTY
Patent for appearance, CE RoHS Certifications