V5S Color Screen Smart Heart Rate Bracelet $ 10.55 PRODUCT INFORMATION Battery capacity: 90mAh Display mode: 0.96TFT display Battery type: lithium polymer Resolution: 1 6080dpi Product weight: 23G Use time: about 12 days Size: 21.00mm12.5mm*45.5mm Wristband material: detachable TPU Waterproof rating: IP67 Charging voltage: 5V