Time to unplug. The Eco-Drive Proximity Pryzm requires zero wires or plugs for charging. Powered by light, the Eco-Drive Proximity, is a smarter watch for the tech-savvy consumer with Bluetooth compatibility to iOS and Android. The Proximity Pryzm features a perpetual calendar, 12/24-hour time, dual time, alarm, power reserve, light level indicator, time and date sync. Additional capabilities include phone search/filter, visual/vibration alerts and more! This model appears in stainless steel with azure blue dial and a uniquely cut sapphire crystal.