Retractable for Storage Our single inear headphones feature a onebutton retractable cable. After you finish using the Bluetooth hands earpiece, simply press the button to automatically retract the cable. This makes the device compact and easy to carry. ClipOn Design The work headphones can be securely clipped to clothing collars, ties, pockets, and more. This provides convenient hands call handling and helps prevent loss of the wireless headset with microphone. Especially suitable for meetings, business offices, banquets and other occasions. 20 Hours Long Battery Life The Bluetooth headset with microphone uses a 140 mAh capacity battery for up to 20 hours of single playback. A builtin 5C charging capability reaches full charge in about 20 minutes, so you can enjoy music or calls with minimal downtime. Clear and Privacy Calls The wireless Bluetooth headset includes ambient noise reduction for a clearer call experience and a builtin sound leakage filter to prevent sound leakage during calls, effectively protecting your privacy. Use scenarios In meetings or conferences: clip the headset to your shirt or jacket for easy access to calls and notes while speaking. In the office or during events: keep the microphone close at hand for quick, hands communication without worrying about misplacing the device. While commuting or traveling: retractable cable keeps your workspace tidy, and long battery life supports extended listening or talking sessions.