Introducing the R2 Smart Ring - Compatible with Android/iOS, Bluetooth 5.1, rapid charging (up to 60 mins), long-lasting battery life (up to 5 days), lightweight (5g), waterproof (IP68), available in silver and gold, crafted from zinc alloy and stainless steel, seamlessly integrates with the Adivaa Ring App, with ample storage capacity (up to 30 days). Inside the box: 1 Ring, 1 Wireless Charging Case, 1 USB Ring Charger, 1 user manual.