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Pro IP65 and IP68 certification allows taking photos underwater
The phone can be submerged in water up to 1.5 meters for 30 minutes.
Pro Excellent 20.7 MP rear-facing camera
The camera is capable of recording 4K30, 1080p60 and 720p120 video.
Pro 2.2 MP front-facing camera allows taking 1080p video
Pro Front-facing speakers
Pro Good build quality and unobtrusive design
Z3 is quite thin at 146 x 72 x 7.3 mm and reasonably light at 152 g. It has a high quality aluminum finish that's available in black, green, white and copper colors.
Pro Excellent performance
Z3 has a 2.5 GHz quad-core Krait CPU, 3 GB of RAM and an Adreno 330 GPU. It's capable of handling resource intensive tasks without much difficulty.
Pro Sharp 5.15" 1080p display
Z3 has a 5.15" 1920x1080 (424 ppi) IPS display with vivid colors.
Pro Excellent battery life
Z3 has a 3100 mAh battery that according to Trustedreviews allows for about 13 hours of screen-on time.