Top features: - Bluetooth wireless so you can listen to your music wirelessly - Sweat and water resistant so you can work out in the gym as long as you want - Ear tip wings to place over your so you can run for great lengths of time - Up to 4 hour's battery life for listening to your favourite tunes Bluetooth wirelessThe Goji GSFINBT17 Wireless Bluetooth Headphones feature Bluetooth 4.1 so you can listen to your music library wirelessly.Sweat and water resistantIf you're a regular at the gym, sweat and water resistant headphones like these Goji Wireless Headphones would be a good match. This means you can work out in peace without the worry of breaking your headphones.Ear tip wingsFor extended running sessions, the added accessory of the ear tip wings means the headphones will stay firmly in your ear and not face the risk of falling out when you're speeding up.Up to 4 hour's batteryThe wireless function in the Goji Wireless Headphones allow up to 4 hour's usage so you can do a complete workout and recharge them when you get home for the next day.