https://www.taotronics.com/produc…ss-earbuds

Key Features:
-Bluetooth 5.0
-IPX7 Waterproof
-High fidelity sound: 6mm peek + PU high fidelity dynamic driver
-The master earbud can be switched freely on right or left earbud
-5hrs Playtime per Charge 20hrs Playtime with Charging Case
-Open the case lid to connect
-stable transmission within up to 15m/50ft