▷Please check the profile◁ Product Description Wireless earphones equipped with a 13mm speaker, capable of up to 40 hours of playback. - Color: Black - Speaker Size: 13mm - Battery Life: Up to 4-6 hours - Playback Time: 40 hours ※ Although new and unused, the item has been opened for inspection and photography. #Yuno's Product List Wireless Earphones Hi-Fi Sound Quality 13mm Composite Diaphragm ENC Call 40ms Ultra-Low Latency 4g Ultra-Lightweight LED Display Type-C Fast Charging Earphones Wireless bluetooth 5.3 IPX7 Waterproof Standard 40 Hours Continuous Playback 10-16