Extra Headset (RR840 Stethoset Receiver) for SENNHEISER SET 840-S/-TV listening system (Not a complete system) Purchase includes: Headset RR840, rechargeable BA300 battery (installed), 3 pairs various ear tips and instruction manual (Transmitter is Not included)

[Universal Compatibility] enable your high-quality speakers or home/car stereo sound system Bluetooth compatibility, to stream audio from your smartphone/tablet/PC/echo or any Bluetooth-enabled devices. [2x Wireless Range] extend the Bluetooth wireless range up to 20 meters (66 feet), stream your music stably from 2 times further away than other models do. [High-Quality Wireless Music Performance] built-in amplifier chip and CSR chip that supports Bluetooth 4.1 and A2DP v1.2, provide high-performance wireless music experience from your favourite streaming platforms, Spotify, Apple Music, pandora, and etc.