Superior Fit. Sweat Proof. Ultimate Freedom. HIGHLIGHTS Great stereo sound It has a unique neck-strap design for easy carrying Ultra-light weight for all-day comfort. Vibration alert on call On-ear-controls: Volume, tracks and calls. Built in microphone for easy hands-free talking. Flexible Design - can be folded to pocket size Earbuds are magnetic that clip together for easy standby use. Wont fall out of your ears PERFORMANCE: Wireless Technology: V.4.0 Works with any Bluetooth Enabled Device Wireless range: up to 33ft or 10 meters Earphone battery indicator on most smartphones Talk time up to 6 hours* Charging time up to 2 hours * Depending on device and usage IN THE BOX HBS800 Freedom Wireless Headphones Protective case Extra pair of earbud tips USB charging cable User Manual