Yuer S-502 Bluetooth Wireless Stereo Headphone with a top and international industrial design, which is delicate as the artwork. It wonderfully combines the headset and accessories. It is not only a headset, but also a fashionable accessory.<br><br><strong>Features:</strong><br>Comfortable and lightweight design.<br>Bluetooth 4.1 version, indescribable smart experience.<br>Use the CSR Bluetooth chip technology.<br>CPU 80MHz smart operation, audio fast conversion.<br>Hi-Fi sound qulity, brings you back to a live music concert.<br>360°surround stereo sound, your wireless sports by master of your own.<br>There proofing cover, weatproof, dustproof and shockproof.<br>DSP Smart noise reduction.<br>Simultaneously connect two phones.<br><br><strong>Specifications:</strong><br>Type: Sports Bluetooth Headset<br>Brand: Yuer<br>Model: S-502<br>Color: Black, White, Blacke &amp; red (Optional)<br>Bluetooth Version: V4.1<br>Bluetooth Mode: Hands free / Headset / AV / AV RCP profile<br>Frequency: 2.4GHz<br>Transmission Power: Class 2<br>Transmission Distance: 10m<br>Temperature: -20/+60℃<br>Charging port: Micro USB<br>Battery capacity: 50mAh polymer battery<br>Standby time: about 120 hours<br>Talk time: about 4 hours  <br>Music time: about 3 hours<br>Charger output: DC 5V<br>Package size: Approx.11.5 * 7 * 4.5cm / 4.5 * 2.8 * 1.7in<br>Package weight: Approx.98g / 3.5oz<br><br><strong>Package List:</strong><br>1<strong> * </strong>Sport Bluetooth Headset<br>1 * USB Cable<br>2 * Pair of Ear Caps (S &amp; L)<br>1 * User Manual (English)