Thank you for viewing. I am selling this item because I don't use it, even though it was given to me. It is a new, unopened product. 【High Sound Quality】 The AP28 is a wireless earphone that delivers high-fidelity sound. It supports Bluetooth 5.3, providing a stable connection and high-quality audio. 【Long Usage Time】 The battery capacity is 220mAh, allowing for approximately 6 hours of playback. The charging time is short, about 1 hour, so you can use it quickly. 【Wide Compatibility】 It is compatible with both Android and iOS, and can be used with various devices. - Model: AP28 - Bluetooth Version: 5.3 - Battery Capacity: 220mAh - Charging Time: Approximately 1 hour - Playback Time: Approximately 6 hours - Input Voltage: 5V - Output Voltage: 5V - Supported OS: Android/iOS Thank you.