<p><b>Product information:</b></p><p>Bluetooth version: 5.2<br />Supported protocols: HSP/HFP/A2DP/AVRCP<br />Charging interface: Type-C<br />Input current: DC 5V<br />Output current: 3.7V/50mAh<br />Horn: 13mm high quality moving coil<br />Frequency response range: 20Hz-20000Hz<br />Headphone battery: 30mAh *2<br />Charging box battery capacity: polymer 200mAh with protective plate<br />Music playback: ;  about 6 hours of single playback;  about 22 hours with charging box<br />Talk time: 5-6 hours<br />Charging time: 60 minutes<br />Wireless working range: &le;15M (no obstacles)</p><p><br /><b>Size Information:</b><br /><img style="max-width:100%;" data-srcid="-" src="https://image.doba.com/dgd1-jJbpdTnSecDg/wireless-in-ear-binaural-stereo-noise-cancelling-sports-headphones.jpg" alt="dropship Wireless In-Ear Binaural Stereo Noise Cancelling Sports Headphones" /><br />&nbsp;</p><p><b>Packing list:</b></p><p>Headphones*2<br />Charging box*1<br />Type-C cable*1<br />Manual*1<br />Packaging*1</p><p><b>Product Image:</b></p><p></p><div><img style="max-width:100%;" data-srcid="-" src="https://image.doba.com/dgd1-LwvhSTGLKobu/wireless-in-ear-binaural-stereo-noise-cancelling-sports-headphones.jpg" alt="dropship Wireless In-Ear Binaural Stereo Noise Cancelling Sports Headphones" /></div><div><img style="max-width:100%;" data-srcid="-" src="https://image.doba.com/dgd1-sQbYSanfeovr/wireless-in-ear-binaural-stereo-noise-cancelling-sports-headphones.jpg" alt="dropship Wireless In-Ear Binaural Stereo Noise Cancelling Sports Headphones" /></div><div><img style="max-width:100%;" data-srcid="-" src="https://image.doba.com/dgd1-UgvtNTRGKJbM/wireless-in-ear-binaural-stereo-noise-cancelling-sports-headphones.jpg" alt="dropship Wireless In-Ear Binaural Stereo Noise Cancelling Sports Headphones" /></div><div><img style="max-width:100%;" data-srcid="-" src="https://image.doba.com/dgd1-UmvgITGACoDM/wireless-in-ear-binaural-stereo-noise-cancelling-sports-headphones.jpg" alt="dropship Wireless In-Ear Binaural Stereo Noise Cancelling Sports Headphones" /></div><div><img style="max-width:100%;" data-srcid="-" src="https://image.doba.com/dgd1-wdvrlfHZFcqu/wireless-in-ear-binaural-stereo-noise-cancelling-sports-headphones.jpg" alt="dropship Wireless In-Ear Binaural Stereo Noise Cancelling Sports Headphones" /></div><div><img style="max-width:100%;" data-srcid="-" src="https://image.doba.com/dgd1-LnDdNZEAQPqW/wireless-in-ear-binaural-stereo-noise-cancelling-sports-headphones.jpg" alt="dropship Wireless In-Ear Binaural Stereo Noise Cancelling Sports Headphones" /></div><div><img style="max-width:100%;" data-srcid="-" src="https://image.doba.com/dgd1-jZvmdtEZecDM/wireless-in-ear-binaural-stereo-noise-cancelling-sports-headphones.jpg" alt="dropship Wireless In-Ear Binaural Stereo Noise Cancelling Sports Headphones" /></div><div><img style="max-width:100%;" data-srcid="-" src="https://image.doba.com/dgd1-jvVPItnWQJqA/wireless-in-ear-binaural-stereo-noise-cancelling-sports-headphones.jpg" alt="dropship Wireless In-Ear Binaural Stereo Noise Cancelling Sports Headphones" /></div><p></p>