Sennheiser RS120II Wireless Earphones

 Sennheiser RS 120 II Headphones

Earphones was opened and tested and never been used. 

Features:
- Open, stereo, supra-aural, wireless RF headphone system
- Detailed, analytical sound reproduction with strong bass response
- Suitable for all types of modern music and TV applications
- Wireless freedom with reception through walls and ceilings
- Range of up to 100 metres (300 feet)
- Control elements conveniently positioned to provide easy, intuitive operation
- Transmitter with metal cradle for storing and recharging the headphones
- Optional wall mounting of transmitter possible
- Very lightweight headphones, extremely comfortable to wear
- Appealing, modern design
- Rechargeable NiMH batteries included (size: AAA)

Specifications:
- Impedance: 24 Ohms
- Transducer principle: Open, dynamic
- Ear coupling: Supraaural
- Frequency response: 22 - 19,500 Hz
- THD at 1 kHz, 100 dB SPL: Less-than 0.7 percent
- SPL (1 kHz, 1 V rms): 106 dB
- Power supply: 2 AAA cells
- Operating time: 20 hours 
- Weight: 230 g