Spracht Zum Eco-Set Earset - Mono - Wireless - DECT 6.0 - 500 ft - 32 Ohm - 100 Hz - 10 kHz - Over-the-ear, Earbud - Monaural - Outer-ear - Noise Cancelling Microphone - Noise Canceling - Black

Noise-canceling mic reduces background noise to prevent distractions 500ft range ensures complete mobility for on-the-go performance Eco-DECT technology provides safe output of power with minimal emissions Light, flexible over-the-ear style provides comfortable fit for all-day use Long-lasting battery provides up to 9 hours of use so you never drop a call