Sync | Bluetooth 4.0 wireless technology allows automatic wireless syncing to over 120 smartphones Also syncs to computers and tablets |
Syncing Distance | 20.0' (6.1 m) |
Transceiver | Bluetooth 4.0 |
Water Resistance | Water-resistant to 1 ATM |
Memory | Tracks 7 days of motion data - minute by minute Tracks daily totals for past 30 days |
Display | OLED |
Materials | Wristband: flexible, durable elastomer material Clasp: surgical-grade stainless steel |
Battery Type | Lithium-polymer |
Battery Life | Up to 7 - 10 days |
Charge Time | 1 - 2 hours |
System Requirements | Windows: Windows Vista and later Mac: Mac OS X 10.6 and up Internet connection USB port |
Operating Temperature | -4 to 113° F (-20 to 45° C) |
Operating Altitude | 30,000' (9,144 m) |
Size | Fits wrists 6.5 - 7.7" (16.5 - 19.6 cm) Width of band: 0.8" (2.1 cm) |
Weight | Not specified by manufacturer |
Packaging Info | |
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Package Weight | 0.35 lb |
Box Dimensions (LxWxH) | 8.0 x 2.9 x 2.8" |
Reviews Fitbit Charge Activity + Sleep Wristband (Large, Slate)