Good music makes your life better, good music now can be enjoyed without wires, with higher sound quality and heavenly comfort. With Portronics Harmonics Twins S4 TWS earbuds Keep those good vibes flowing. Connect super fast to the Bluetooth earphones with your smartphone with the latest Bluetooth version 5.3. After the first pairing, the hall switch on the earbuds allows you to connect automatically to your device. Turn on bluetooth on your device, open the case, and you ll connect to the earbuds automatically. The earbuds come with gaming mode and music mode that can be switched by pressing the earbuds. The TWS earbuds are compatible with tablets and laptops so that you can listen to or attend a video call or conference with the Harmonics Twins S4. The Bluetooth headphones weigh only 3 grams and have silicone in the earbuds. The TWS earbuds have a playtime of 4 hours on a single charge. 16 Hours playback backup with a type C transparent charging case. The case takes 2 hours to charge. The touch feature on the buds allows you to control your smartphone via voice assistant Siri, google or Alexa. You can also control audio playback and manage calls on your Harmonics Twins S4.