Sennheiser Wireless RF Headphones with Charging Cradle specs

General

• Product Type Headphones - Radio
• Weight 8.1 oz
• Recommended Use Home audio system

Headphones

• Headphones Type Headphones - Binaural
• Headphones Form Factor Ear-cup
• Headphones Technology Dynamic
• Connectivity Technology Wireless - Radio
• Sound Output Mode Stereo
• Response Bandwidth 22 - 19500 Hz
• Signal-To-Noise Ratio 65 dBA
• Total Harmonic Distortion (THD) 0.7 %
• Sensitivity 106 dB

Remote Control

• Type None

Wireless Link

• Radio Frequency Range 900MHz
• Radio Channel Qty 3
• Modulation Type FM
• Transmission Range 330 ft

Miscellaneous

• Included Accessories 6.3 mm (1/4") stereo adapter,
  Transmitter unit

Power

• Power Device Power adapter - External
• Battery Standard battery - AAA type - Rechargeable - Nickel metal hydride

Manufacturer Warranty

• Service & Support 2 years warranty
• Service & Support Details Limited warranty - 2 years