Mini Lightweight Wireless Stereo Sports/running & Gym/exercise Bluetooth Earbuds Headphones High-performance dynamic speaker give Hi-Fi stereo sound. CVC 6.0 noise cancellation technology, eliminates white noise and delivers crystal clear sound with impressive bass. Multi-point pairing, support to connect two bluetooth enabled cellphones at the same time. Waterproof earhook bluetooth earphone for sports, effectively prevents water and sweat interfere with headset protection, make you enjoy music during sport. CHARGING TIME: 45 MINUTES TALKING TIME : 6 HOURS