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Overview: The Sennheiser RR 840 wireless headphone is specifically
designed for use with Sennheiser's
Set 840-TV and
Set 840-S wireless TV listening systems (sold separately).
RF Wireless Range: The Sennheiser RR 840 wireless headphone provides a
wireless mobility range of up to 100 feet from your Sennheiser TV
listening system. It can transmit through walls, so you don't have to be in the
same room as your TV or audio system.
Stethoscope Design: The Sennheiser RR 840 wireless headphone features
a stethoscope design.
Comfortable Fit: The lightweight RF wireless headphone is comfortable
to wear because of the flexible earpads that fit inside the ear.
Ergonomic Controls: There is a large, ergonomic volume control on the
stethoscope-style headphone to adjust volume level. There is also a balance
control on the headset to adjust the balance so that you hear equally well with
Integrated Rechargeable Battery: The RF wireless headphone features an
integrated lithium-polymer battery to ensure a long operating time of up to 9
hours. The headphone charges when it is rested on the Sennheiser TV listening
system's transmitter/charging station (up to 3 hours).
Note: It can be placed in the transmitter's charging compartment
facing in either direction.
Auto Power: The RF wireless headphone automatically turns-on when you
place it in your ears and automatically turns-off when you take it out (after 30
Note: If you are not within the range of the Sennheiser TV
listening system's transmitter (sold separately), the headphones
automatically switch off after 3 minutes.