Individual LED battery display : separated LED L/R Bluetooth earbuds battery display design, you can see the battery of each earbud and the charging case clearly, you can know when is the best time to charge. [※You can only see the percent of battery when you close the charging case. ] you just need put them into the charging case then they will charge automatically.

80H playtime with portable charging case : : 2000mAh ultra-high-capacity charging case, can provide 80+ hours playback, the 15 times fully charging to the earbuds, wireless earbuds can play for 5. 5 hours once fully charged. Earbuds charging Only takes 45mins and charging case only takes 1. 5 hours. It can also be used as an alternative power bank for your smart phones or other devices. Keeps you free from the anxiety even if you far away from home.

Full-Auto Pairing & Master-Slave Switching Freely : UPGRADED VERSION allowed Master-Slave Earbuds Switching Freely, L/R earbuds both can be used INDIVIDUALLY! Completely automatic system gives you a hassle-free experience when pairing and connecting to your devices. All you need to do, take them out from the case, put them on, ready to immerse in your music world, the rest just leave to auto. Instant pairing and connection make you feel everything effortless.

Exclusive Sound Quality : Adopt the most advanced Bluetooth 5. 0 technology, ensures an incredible fast stable and swift connection without tangling (33ft no-obstacle range), together with personalized TWS earbuds endow a premium and fined-tuned music quality for you. Provides in-call stereo sound. Powerful Bluetooth 5. 0 chip that perfectly matches with all Bluetooth version above 4. 0!