Philips BASS+ headphones pack huge, punchy bass into a sleek, compact package. Good looking, great sounding and superb value. Bluetooth wireless headphones for those who need more bass in their beats without any extra bulk. More bass – Big, bold bass you can feel – 32mm speaker drivers – Great sound isolation for better listing experience True comfort – Adjustable earshells and headband for optimal comfort – Control calls, music and volume with ear-shell switches – Soft ear cushions for long-wearing comfort – Flat folding design for easy portability – Convenient hands-free calling Wireless – Bluetooth wireless technology – Rechargeable battery offers up to 12 hours of playtime – USB charging cable.