Description:What it can offer you is that it features ultra-thin and lightweight that allows you to use it comfortably.Protective cover has functions of anti-scratch, anti-fall, shockproof that can protect your device fully.Made of PC high quality material, it is solid and wear-resistant.The length of the product is 10.5cm, the width is 2cm and the height is 1cm.It is suitable for Relx 4 generation.Item Name: Protective CaseMaterial: PCCompatible Models: for Relx 4 GenerationSize Details: 10.5cm x 2cm x 1cm/4.13" x 0.79" x 0.39" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Protective Case (for Relx 4 Generation Not Included)1 x Anti-lost Lanyard