<p>[LED power display and 60-hour playback] The dual-digit LED power display on the outside of the casing is used to display the power of the charging box and earplugs. When charging, the LED light starts to flash from 1 to 100. When you put the earbudsin the protective case, the earbuds will start charging. The 470mAh battery capacity charging box can provide 6 full charges for two earplugs, and each earplug can be used for 5 hours on a single charge. Therefore, you can take turns to enjoy 60 hoursof music time. [Wireless charging &amp; IPX5 waterproof] The charging box of this Bluetooth headset supports wireless charging and USB C cable charging. The waterproof rating of this wireless headset is IPX5. The nano-coating on the surface of the earbuds prevents waterand sweat from penetrating, and can be used as a sports wireless earphone. You can listen to music while running, working, reading, sleeping, meeting, etc. One-step pairing, easy touch: Bluetooth headset adopts Hall switch. After the first connection, once the charging box is opened, these wireless earphones will connect with your device, which is faster and more convenient. During use, you can touch anyearbuds to control the phone, such as music switch, volume adjustment, call, voice assistant, etc., without the need to adjust through the phone. Ergonomic design and light weight: The headphone structure is specially designed for studying the ear canals of thousands of people. This wireless Bluetooth headset is small and light. A single earbud weighs only 0.4 ounces (approximately 4 grams). Theearbud size is 1.5 x 0.6 x 0.6 inches (approximately 4 x 2 x 1.5 cm), and the charging box size is 2.5 x 2.5 inches (approximately 6.5). x 5.5 x 2.5 cm), more convenient to carry. [Excellent clear call and immersive stereo] This music headset is equipped with 13mm speakers and a three-layer composite diaphragm, providing strong bass, shocking treble and clear midrange. These earplugs are designed for sound and music lovers. Itcan support mono mode and dual stereo mode, and you can share earbuds with friends and family. Each earbud has a built-in microphone for calls. CVC noise reduction allows others to hear your voice very clearly when making a call.</p>