IPX4 waterproof wireless earphones with Bluetooth 5.1, maximum output of 10mW, and microUSB charging. These are single-ear earphones with a microphone. I used them once, but they didn't fit my ears, so I've been storing them. Includes a charging cable and instruction manual. Please let me know if you need the outer box. - Brand: AudioComm - Model: Wireless Earphones - Bluetooth Version: 5.1 - Waterproof Rating: IPX4 - Battery Capacity: 70mAh - Maximum Output: 10mW - Charging Method: microUSB - Operating Range: Approximately 10m (Class 2) Please note that I cannot guarantee their functionality. *Please understand that these have been stored by a private individual. Please only purchase if you are comfortable with this. Feel free to comment if you have any questions. *Please read my profile before purchasing.