PIONEER SE-E8TW WIRELESS...
Pioneer SE-E8TW headphones are completely wireless. They fit snugly in your ear and help you to achieve your fitness goals with powerful sound - without wires and stress.
Introducing truly wireless headphones that accompanies you on a fitness ride without cables and stress. Pioneer E8 headphones are IPX5 waterproof and are also designed for user to detect ambient noise, which makes the headphones particularly safe to use.
Internal batteries provide max 3 hours of continuous connection (including audio playback) on a single charge.