Declare your love of practical G-SHOCK functionality in bright, bold color. The shorter band strap is printed with a unique logo depicting theclassic functions that the G-SHOCK is known for, as well as a QR code that takes you to the official G-SHOCK website. Choose from three vivid orange models: the GD-B500 equipped with step tracker and Bluetooth, the Bluetooth-equipped GA-B001, or the minimalist design of the GA-2300. Case / bezel material: Resin / Bio-based resin Bio-based resin band Shock Resistant Mineral Glass 200-meter water resistance LED backlight (Super Illuminator) Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow LED:White Mobile link (Wireless linking using Bluetooth¶©) Step Count Measurement: Step count display range : 0 to 999,999 steps¶ÿ Step goal progress display (step count goal setting range: 1,000 to 50,000, 1,000-step increments) Step reminder ‹¬?Inform you when your step count is too low, by display and beep‹¬? Step count graph‹¬?Hourly step count for the past 7 hours on a 6-level graph‹¬? Step indicator Dual time (home time swapping) Bluetooth: Connects to a smartphone and automatically adjusts the time 1/100-second stopwatch¶ÿ Measuring capacity: 00'00''00~59'59''99 (for the first 60 minutes)¶ÿ 1:00'00~23:59'59 (after 60 minutes)¶ÿ Measuring unit:¶ÿ 1/100 second (for the first 60 minutes)¶ÿ 1 second (after 60 minutes)¶ÿ Measuring modes: Elapsed time, lap time, split time Recorded data: Up to 200 records (measurement start year, month, date, hour, minute, lap/split times) Countdown timer Measuring unit: 1 second Countdown range: 60 minutes Countdown start time setting range: 1 second to 60 minutes (1-second increments and 1-minute increments) 5 daily alarms Hourly time signal Low battery alert Power Saving on/off Full auto-calendar (to year 2099) 12/24-hour format Button operation tone on/off Regular timekeeping: Hour, minute, second, pm, year, month, date, day Accuracy: ¶ñ15 seconds per month (with no mobile link function) Approx. battery life: 2 years on CR2016 Size of case : 46.3 Ç? 41.5 Ç? 11 mm Total weight : 45 g