Brand Name : Rovtop System : None Multiple Dials : No ROM : <128MB Function : Passometer Battery Capacity : <120mAh Mechanism : No GPS : No Type : On Wrist Network Mode : None SIM Card Available : No Rear Camera : None Language : English RAM : <128MB Compatibility : All Compatible Waterproof Grade : Life Waterproof Band Material : Silica Gel APP Download Available : Yes Style : Sport Case Material : Alloy Application Age Group : Adult Battery Detachable : No Movement Type : Electronic Screen Shape : Square Band Detachable : Yes Resolution : 80*160 Display Size : 80*160