ELEGIANT Swift Wireless Bluetooth Stereo Sweatproof Sports Running Gym Exercise Earphones Headphone  <br>   Features:   Support A2DP Function (Stereo Music Function)   Support AVRCP Function (Audio \/ Video Remote Control Function)   Supports HFP Function (Handsfree)   Support HSP Hunction (Headset Mode)   Accessibility Indoor Distance Calls:&amp;gt; 8m (Omnidirectional)   Accessible Outdoor Distance Calls:&amp;gt; 10m (Omnidirectional)   Frequency Response: 20Hz ~ 20KHz   Battery: 3.7V， 80mA Lithium Battery   Machine Operating Current: &amp;lt;30mA   Machine Shutdown Standby Current: &amp;lt;1.5uA   Machine Power Standby Current: &amp;lt;15mA   Speaker Maximum Drive Power: 20mW * 2 High-fidelity 1CM Green White Magnetic Speaker   Life Time: 3 hours   Online Standby Time: 15 Hours   Charge Current: 100 +\/- 15mA   Battery Charge And Discharge Life: 500 Times   Standby Battery Life: 2 Months   Battery Standby Time: 240 Hours   When Charging Mode: USB Charging   Charging Time: About 2 Hours Using The Computer Charge<br>  <br> Package Included:<br> 1 X Headphones  More details: