At only 10 grams the Morf Trigger is the smallest standalone Bluetooth remote on the market! Triggers your phone at a distance of up to 10 meters so you can take photos wherever you are. The Morf Trigger magnetically attaches to your Morf strap and is easily removed from the included key ring. Works with both Android and Iphone and the replaceable CR1632 battery lasts approx. 16 hours continuous use.