2.4GHz, wireless digital transmission: It allows free and more personalized Monitoring / music listening without Interfering with others.30 meters effective reception distance: with HI output mode, you could proceed with your activity while listening to the music Indoor.
One Digital Transmitter: Itallows usage of several pairs of headphones for audio reception (It requires optional purchase of AZDEN digital wireless~ headphones).
Low Power Consumption Headphone: regular alkaline battery (AAA x2) may sustain more than 20 hours.
Large Size Headphone of 40mm Speaker Unit: heavy and distinct bass sound, clear and bright mediant and treble, It reproduces hi-fidelity of the mediant-bass effects and the original audio sound. Specifications Mic Type : Dynamic Driver Unit : Φ40mm Output Acoustic Pressure Level : 100dB Impedance : 32Ω Frequency Range : 20 ~ 20,000Hz Weight : Headphone (including batteries) 232g / Transmitter 46g Occupied Frequency Range : 2.4GHz IMS band Max reacheable distance : 30m line-of-sight distance Continuous activating time : Headphone 20 hours ( 2 AA batteries) / Transmitter 6 hours (USB recharge) Supplied accessories Carrying box USB cable 3.5 mm connecting cable RCA connecting cable ¼ Jack adaptor