SET840S Set 840 S is a RF stereo TV listening system and is especially suited for those who wear hearing aids. Easily connected to a TV, hi-fi system or radio, Set 840 S produces excellent sound, delivered directly to your ears. The sound is transmitted from the receiver to the hearing aid via wireless induction over the induction loop that is included in the scope of delivery. Alternatively, you can connect headphones or induction couplers to the lightweight clip-on receiver. Features: -Headphone. -Three selectable hearing settings on the transmitter. -Large and ergonomic volume control on the receiver. -Receiver is ideal for connection to hearing aids and headphones (3. 5 mm stereo jack plug). -Easy to set up and operate. -Wireless mobility within a range of up to 100m. -Transmits even through walls. -Excellent individual stereo sound. -Optimized speech intelligibility due to switchable compression and treble emphasis. Specifications: -Balance control on the receiver for setting the volume for the right and left ears. -Lithium polymer battery technology ensures long operating time of up to 9 hours. -Receiver can be placed in the transmitter's charging compartment facing in either direction. -Three selectable transmission channels on the transmitter for optimum reception. -Auto-tuning automatic channel search tuning can be activated on the receiver. -Integrated charging compartment in transmitter for spare battery.