Compatible Devices function(f) {var _np=(window.P. execute(function(A){ A.on(‘a:truncate:po-attribute-truncate-2:updated’, function(data) { var isTruncated = ! Mini Pocket Size Case – The heart rate monitor case is of compact design (External size: 4.7″L x 2.5″W x 1.7″H, internal size: 4.3″L x 2.0″W x 0.6″/side H). ).