It comfortably holds my phone, earbuds and a pair of sticks (thanks to the cleverly designed cut out section), or an iPad. It can also be mounted in 'portrait' or 'landsacpe' mode. I use it attached to a cowbell clamp connected to my bass drum . it doesn't get 5 start because the removable clamp, is a bit easy to lose or forget. Would be better if the routing bracket fitted to the tray more securely so it doesn't get lost.