Trevi FRS 1480 R Wireless Headset MUSICA USB type-C Black The Trevi FRS 1480 R Wireless Rechargeable Headphones are the ideal device for connecting to any device equipped with a headphone socket or audio output such as TVs, Hi-Fi systems and Mp3 players and thus listening to what you prefer without disturbing those around you. FRS 1480 R has a 2.4 GHz wireless RF receiver, capable of guaranteeing a range of up to 30 meters in open field, a stereo input with 3.5 mm jack, a Optical digital input and output for bypass connection and an RCA output complete the equipment of the Trevi headphones. If not used, the headphones turn off automatically. The Trevi FRS 1480 R Wireless Rechargeable Headphones are powered by a long-lasting battery, rechargeable via a charging base, which is in turn powere.