Here is a quick list i made of available remotes.
Logitech Wireless Touch Keyboard K400 with unify (keyboard from logitech are bluetooth and not portable like keyboard)
Logitech Harmony 650
Logitech bluetooth keyboard
MINIX NEO M1 (too few buttons)
FireTV Voice Remote (too few buttons)
Measy RC11 (no remote, only very big keyboard)
MINIX A2 (has audio port)
Tronsmart TSM-01 (too few buttons)
iPazzPort KP-810-19R (not available wildly, very colory buttons)
iPazzport KP-810-16 (no mute button)
Mele RF05 (mic and speaker)
Mele RF03 (non removable battery, no IR Learning)
Rii i13 4 in 1 (has audio port, pops as sound card when connected)
rii i25a (has audio port, auto wake air mouse)
rii i25 V1 (has little infra red buttons, look for V2)
ipazzport KP-810-30 (not multiple devices)
ipazzport KP-810-30HS (too few buttons)
iPazzPort KP-810-18R (too few buttons)
iPazzPort KP-810-23 (too big receiver and too few buttons)
Mele F10 (Rechargeable, concentration on airmouse middle button, no numpad, enough buttons, no trackpad, very good airmouse)
FM5S (cheap chinese, not many buttons, internet explorer button)
iPazzPort KP-810-27R (same as mx3 variant)
MX3 (there is a version with voice input on the blue button)
MX3-M From Rii same as mx3 from aerb
MX 3 from rii (has many copies) MX3 is sold by several manufacturers including Vigica and Aerb (Good air mouse, aaa batteries, unable to change buttons mapping)
One for all Essence 4 (can't update on internet)
One For All Simple 4 (update on interenet, freebox ok, media player ok, batteries, 4 appareils, learn, can assign individual button to remote)
Favormates (or Newest T6) (looses connection, only one IR button)
Meliconi Gumbody Digital 5 web (5 appareils, learn, emission grand angle, macro, programmable via audio port)
Superior Electronics Freedom 4 in 1
Superior Electronics Superior 4 in 1
WESOPRO MP3 (no play pause button)
MINIX Neo A2 Lite (too few buttons, very good air mouse, no infrared for learning)
Rii i25 v2 (Azerty, IR Learning, airmouse, very good, all the buttons ok, sometimes the air mouse has to be disabled all the time depending on version of the remote). But the directional pad is only IR.
KP-810-30 (infra red 8 keys, airmouse, mute button, 2 aaa batteries, big buttons, no touchpad, air mouse default on, and sometimes not recognized on reboot)
T6C : trackpad, multiple colours backlight, only one IR button
DoCooler H1 Air Fly (qwerty, has touchpad very big, airmouse, touch keyboard, not the backlit version for play pause, press down for not enabling the airmouse, airmouse auto enables back, and the keyboard sometimes default to touchpad, not waf acceptable)
*Rii i25 v3 (Qzerty and Azerty, IR Learning, airmouse, very good, all the buttons ok, sometimes the air mouse has to be disabled all the time depending on version of the remote) New version has only 5 IR buttons, the directionnal ones are for Media Center
*Kebidu G7 Fly Air Mouse 2.4GHz (enough buttons, 5 ir programmable, mute, play pause, airmouse doesn't auto enable, simple to use)
*KP-810-19RS (no fly air mouse, touchpad, 10 keys IR, looks good)