First of AllRemove the battery protection isolation film, and then plug in the USB-C and charge for 5 more minutesSolarcell Key Notes: 1. Low battery: Press any button Red light flashes 3x 2.Fast-charge with 5V/2A charger (full in ~8 min) 3. Other chargers may take longer 4. 3+ months runtime Maximum (Normal use) 5. Extend solar cell lifespan: With monthly charging, this remote's solar cell lasts over 10 years, and its battery capacity won't degrade for over 3 years under normal useWelcomeThis premium voice remote is designed for Samsung TVs from 2018 to 2025 and features solar charge and cable charge functions. To utilize the voice function, it needs to be paired with a Samsung TVBroad CompatibilityThis remote can be a great replacement for Samsung TV, include Samsung Neo, OLED, QLED, Crystal UHD, Frame TV, Terrace, Sero, Serif Smart TV made from 2018 to 2025. There are many models it can replace, such as BN59-01385A/B, BN59-01432A, BN59-01455A, BN59-01357A/F, and a long list of others like BN59-01312 series (including BN59-01312A, BN59-01312F, BN59-01312D, etc.), BN59-01329 series, BN59-01330 series, BN59-01357F, and BN59-01385BVoice ControlPair before Use. The voice function can help you quickly find the movies or TV shows you want to watch. Also, it enables you to quickly set various functions of the TV through voice commands. For those with limited mobility in their hands, the voice function brings them great convenience and assistance