Technical specification: <br>Bluetooth Specification: 4.1+EDR <br>Bluetooth Chips:CSR8645 <br>Bluetooth Profile: HFP1.6，HSP1.2，AVRCP1.4，A2DP1.2 <br>Supports APT-x feature (HiFi stereo) <br>RF Range: 10m <br>Noise reduction: CVC6.0 <br>Supports IPHONE battery display <br>Stand-by time: about 175 hours <br>Calculating Conversation Time: about 5 hours <br>Charging time: About 2 hours <br>Dimension (L×W×H):1.32×0.79×1.05inch <br>Weight: 0.58ounces <br><br>Accessories List: <br>1X QY7 Sport Bluetooth Stereo Earphone. <br>1X QY7 User Manual. <br>1X USB Charger Cable.<br /></p> <br /></p><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/56160d6146935a7e24a25eb8-2-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/56160d6146935a7e24a25eb8-3-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/56160d6146935a7e24a25eb8-4-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/56160d6146935a7e24a25eb8-6-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/56160d6146935a7e24a25eb8-7-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/56160d6146935a7e24a25eb8-9-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/56160d6146935a7e24a25eb8-10-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/56160d6146935a7e24a25eb8-11-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><p style="text-align: center;"><p style="text-align: center;">