With the Sony WF-SP700N, you can enjoy your favorite music completely wirelessly. In combination with the splash-proof design, the earbuds are ideal for sports. You can connect the earbuds with your phone or tablet via Bluetooth. That way, you can stream songs to the earbuds wirelessly and there are no cables along your body. The sound is powerful, thanks to the Extra Bass mode. Additionally, thanks to Ambient Sound Mode, you can still hear ambient noise, like a car racing past. As a result, you can safely use the earbuds while outside. You charge the earbuds with the included portable charger. With a fully charged battery, you can enjoy 3 hours of music.