Question about Razer Basilisk V3 X HyperSpeed

The battery lasts up to 285 hours when used in Razer HyperSpeed Wireless mode and up to 535 hours when used via Bluetooth. The actual runtime may vary depending on usage. According to one review, this corresponds to around 24 days with 10 hours of daily use in HyperSpeed mode and around 45 days with Bluetooth use.