A wearable shot-tracking device that seamlessly connects with Arccos Caddie sensors and the Arccos Caddie app , Automatically records shot data removing the need to carry your phone during play , Additional functionality of Link includes the ability for a player to mark the hole location by simply pushing the main button while standing next to the pin. , Compatible with iPhone and Android devices , Arccos Caddie Link can be clipped to a player’s waistband, belt or pocket. It functions independently of the phone, transfers data either during or after a round, based on player preference , Arccos Caddie sensors (Smart Sensors, Smart Grips or Smart Sets – sold separately) are required to use Link. , Weather-resistant. Battery life of up to 10 hours. Quickly charges via a standard micro USB cable (included). , Small and lightweight, less than 1 ounce, measuring 2.25″ (L) x 1.25″ (W) x 0.75″ (D). , Arccos Caddie Link is not compatible with 1st generation products, including Arccos Driver and Bluetooth putter