[True wireless & Bluetooth 5. 0] - equipped with the latest relate chipset with Bluetooth 5. 0, the true wireless earbuds ensure your smooth transmission without tangling and latency. [Instant pairing] - enter pairing mode right after out of charging case. Second time you only need to activate the Bluetooth in your device and pull out the earbuds. [Mono & stereo] - Support working together to enjoy stereo sound, or connecting to two devices simultaneously. Both earbuds are with microphone Built-in. [Extended playtime] - 3-4 hours playtime with average use per charge. 15 hours in total with charging case included. The earbuds are your best companion for long journey. [Wide compatibility] - if your device is Bluetooth-enable with version 4. 0 or above, you can use it with the earbuds. Ps: SoundPEATS provides 12 months hassle-free to ensure the enjoyment of your purchase.