The Flex2

This activity tracker automatically tracks your movement, auto sleep tracking and displays it with a sleek LED display owing to its Long Battery Life. Specifications:Dimensions: 0.44" thick, Fits wrists 6.7" - 8.1" in circumferenceMaterial: elastomer material LED display with 5 indicator lights3-axis accelerometerVibration motorBattery type: Lithium-polymerCharge time: One to two hoursRadio transceiver: Bluetooth 4.0Swim proof up to 100mLead Time: 2-3 weeks