Highlights: Input DDC Signal: 5 volts p-p(TTL) Output Video: HDMI 1.3b Maximum Single Link Range: 1920 * 1080p Vertical Frequency Range: 50/60Hz Video Amplifier Bandwidth: 2.5Gbps/250MHz Resolutions: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p Operating Temperature:0 to + 70 degree Operating Humidity: 10% to 85% RH Storage Temperature: -10 to + 80degree Storage Humidity: 5% to 90% RH Consumption(Max): 5W Item size: 8 * 5.8 * 1.8cm Item weight: 89g Product Description: Material: Silicone, Zinc Alloy Colors: Black, Size: 22.5 x 2.2 x 11cm/8.8 x 0.9 x 4.3 Screen size: 1.3 inch ROM: <128MB RAM: <128MB Waterproof : IP67 Grade Bluetooth Version: Bluetooth 4.0 Battery capacity: 130mAh Occasion: Casual Compatible with: Android, IOS What’s in the box: 1 x Smart Bracelet, 1 x User Manual Weight: 0.3 SKU: 191013111251