Brand NEW! The Yamaha RH1C headphones feature a lightweight, open-back design, with comfortable foam ear cushions and a high output level. These inexpensive headphones are well suited for use with all types of portable listening devices. Inexpensive, lightweight portable listening headphones High output, open-back design 1/4" stereo phone and 1/8" stereo mini connectors for universal compatibility with portable listening devices Headphone Driver Type Dynamic Design On-Ear (Supra-aural) Earcup Style Open-Back General Frequency Response 20 Hz to 20 kHz Sensitivity 91 dB Impedance 32 Ohms Connectivity Audio Connector to Source 1/8" / 3.5 mm TRS Cable Cable Length 8' / m Physical Weight 3 oz / 85 g Packaging Info Package Weight 0.4 lb Box Dimensions (LxWxH) 9.8 x 8.55 x 0.2" - All international buyers are responsible for all tax, duties and/or customs fees.