Quick overview from the supplier:
USB Wireless Adapter BenQ WDRL3070 (White dongle)
Compatible with:
2013 models: M619ST, MX620ST, MW621ST, MH680, MX666, MW665, MX852UST, MW853UST, MW724, MX768, MW769, SW916, SH915
2012 models: MS616ST, MX618ST, MX662, MW663, MX766, MW767, MX822ST, MX821ST, MW870USTi, SX914
2011 models: MX763, MX764, MW860USTi, LX60ST, LW61ST
2010 models : MS612ST, MX613ST, MS614, MX615, MX660, MX710, MX711, MX760, MX761, MX810ST, MW811ST, MX812ST, MX880UST, MX750, MP780ST
