Specifications:

• Activities Tracked: Total Steps, Daily Workout Memory, Daily Distance, Calories Burned
• Battery Type: Lithium Polymer
• Device Material: Silicone
• Supported OS: Android, IOS,Windows, MAC
• Wired Connectivity: USB
• Wireless Technology: Bluetooth
• Water Resistant: Device is water resistant
• Operating Temperature: -4° to 113° F (-20° to 45° C)
• Non-operating Temperature: -22° to 140° F (-30° to 60° C)
• Small 5.5"–7.1" 140 mm–180 mm
• Large 7.1"–8.7" 180 mm–220 mm

Features：

• Flex tracks steps, distance, calories burned and active minutes. showing progress with LED lights.
• Device monitors your sleep with Automatic Sleep Detection.
• Wakes you with a silent or vibrating alarm.
• Set goals, view progress and earn badges as encouragement.
• Rain, splash and sweat-proof device ensures durability.
• Rechargeable battery lasts up to 5 days on a full charge.
• Bluetooth 4.0 automatically syncs data to your computer or other device.
• Adjustable band makes the perfect fit easy.

Package Include:

1 x Fitbit Flex 2 Tracker

1 x Size L Classic Wristband/strap (Pls note in order if you need a size S size)

1x Charging cable