Smartphone notifications; Charging not required/ 6 mo battery life; Customizable buttons - control your music, take a photo; Activity & Custom goal trackingBand Material: Silicone; Band Color: Grey; Case Size: 38 mm; Band Width: 18 mm; Water...

Filtered notifications; auto-update time; ring your phone; activity trackingCompatibility: android os 4.4+, iOS 8+ / iPhone 5 +; estimated battery life: up to 4 months based on usage; connectivity: Bluetooth smart enabled / 4.1 low...