Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•Built-in rechargeable battery with 6 hours of run time on each charge. (3.7V Li-ion 650 mAh)
•Extend run-time with mini 5V USB charging port or power bank (not included) as power source
•Tap-and-sync (TM) allows users to change frequency and automatically re-connect at the tap of a button
•Digital UHF Operates in 900 MHz, away from TV, Radio and Wi-Fi interference
