Bluetooth bone-conduction headset and microphone kit. Intended for participants in the Hear Glue Ear research program. Please note: the included printed instructions show incorrect package contents. The aeroplane headphone adapter, fabric pouch and 3.5mm audio cable are not included or required. Please view these downloadable instructions for a more up-to-date version. Features Open ear design Leaving the ear canal uncovered allows the user to maintain situational awareness Bone conduction technology Delivering sound directly to the inner ear with less use of the ear canal or middle ear Microphone accessory The included microphone transmits nearby voices to the headset Adjustable fit Adjustable headband ensures a snug, comfortable, secure fit Bluetooth connection Stereo sound Instructions Download Lithium Battery Shipping: Due to courier restrictions, this product can only be shipped within the United Kingdom. With this item in your cart, your shipping options will be limited and may cost more than our usual rates. Why?