Forerunner 630 - All the Numbers to Measure a Runner<br />Whether you're training for your first marathon or looking to crush a personal record， Forerunner 630 provides all the extensive data you need for training and racing. Check your form by pairing your 630 with the HRM-Run monitor to measure cadence， vertical oscillation and ground contact time. Additional running dynamics include ground contact time balance， stride length and vertical ratio.<br /><br /> <br /><br />GPS Smart Watch with Advanced Running Metrics<br />• Touch screen GPS running watch with a high resolution color display<br />• Advanced running dynamics include ground contact time balance， stride length and vertical ratio<br />• Physiological index includes physiological index， performance condition and lactate threshold<br />• Connected features: Automatic upload to Garmin Connect， live tracking， audio prompts， music controls， smart notifications and social media sharing<br />• Download data fields， watch faces， widgets and applications from Connect IQ<br /><br />Note: If you want to use the Heart Rate Monitor Function， you need to purchase the heart rate belt additionally.<br /><br />    Specifications<br />Hardware<br />	 Brand: GARMIN                                                  <br />                        Bluetooth version: Bluetooth 4.0                                                  <br />                        Waterproof: YES                                                  <br />                        Waterproof rating: 50M                                                	<br />Functions<br />	 Alert type: Ring， Vibration                                                	<br />Screen<br />	 Screen: LCD                                                  <br />                        Screen resolution: 215 x 180 px                                                  <br />                        Screen size: 1.23 inch                                                	<br />Battery<br />	 Battery type: Rechargeable lithium-ion                                                	<br />General<br />	 People: Unisex watch                                                	<br />Dial and Band<br />	 Shape of the dial: Round                                                  <br />                        Case material: Alloy                                                  <br />                        Band material: TPU                                                	<br />Features<br />	 Compatible OS: Android， iOS                                                  <br />                        Compatability: iOS 7.0 / Android 4.3 and above system                                                  <br />                        Language: English                                                  <br />                        Available color: Black， Blue                                                	<br />Weight and Size<br />	 Dial size: 4.5 x 4.5 x 1.2 cm / 1.77 x 1.77 x 0.47 inches                                                  <br />                        Product size (L x W x H) : 26 x 4.5 x 1.2 cm / 10.22 x 1.77 x 0.47 inches                                                  <br />                        Package size (L x W x H): 14.5 x 9 x 7 cm / 5.70 x 3.54 x 2.75 inches                                                  <br />                        Product weight: 0.044 kg                                                  <br />                        Package weight: 0.2 kg                                                	<br />Package contents<br />	 Package contents: 1 x Forerunner 630 Running Watch， 1 x USB Charging Clip， 1 x English Manual                                                	<br /><br /><br /><br />                                             <br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />                                                <br />