BLUETOOTH WIRELESS EARBUDS - These Grundig earbuds are fully wireless and can easily be connected to your phone, laptop, or tablet via a Bluetooth (version 5.3) connection to enjoy your favourite music. EARPHONES WIRELESS WITH USB-C CABLE - The earbuds come with a USB-C charging cable. They take approximately 1.5 hours to fully charge in the case. EARPODS WITH 5-HOUR BATTERY LIFE - Once fully charged, the earbuds can be used continuously for up to 5 hours for listening to music or making phone calls. Perfect for a round-trip train journey, for example. BONE CONDUCTION OPEN EAR HEADPHONES - The earbuds are designed with a 'bone conduction' design, meaning they don't make direct contact with your eardrum, preventing potential hearing damage. The cable that runs behind your head ensures the earbuds stay in place. EAR BUDS FOR HANDS-FREE CALLING - In addition to listening to your favourite music, you can also use the earbuds to make wireless phone calls.