https://hyperkinlab.com/bt-controller-update/

Take your game night to the next level with Hyperkin™s "Admiral" Premium Wireless BT Controller for the N64®!
Its comfortable, ergonomic design, high performance analog joystick, and dual Z buttons give you the edge you need
to double jump, Z-target, and smash your way through any competition. Features: Insert
a storage memory card (not included) into the designated slot on the dongle and back up or
transfer your game memory card save data Wireless connectivity up to 30 ft. via included BT dongle
Compatible with original game memory cards, third-party game memory cards, and standard storage memory cards
Built-in lithium-ion battery lasts for 6 hours of gameplay and recharges via an included Micro cable Compatible with all N64® models, as well as PC, Mac®, and Android® through BT