Check power for both the device and the remote
Check batteries, cable and connector before buying.
Read the remote specs separately
The Bang kit uses an included CR2032 for the controller. Several Secrets kits specify USB recharging for both parts. Check whether the packaging supplies one cable or separate leads.
Compare the listed range without assuming real-world reach
The listed distances do not identify test conditions. Check the maker’s instructions for remote pairing, controls and how to stop the device.