Please include the specifications of the product when filling up your order. On the lower part portion of product image, then click "add note" to specify your prefer color, memory and other specification.
(ex. Vivo V15, 128gb, 6gb RAM, Coral Red) (ex. BT HF PRO SY BT1607, Red) 
 
* BODY    
Dimensions    157.5 x 74.9 x 7.5 mm (6.20 x 2.95 x 0.30 in)
Weight              182 g (6.42 oz)
Build                  Glass front (Gorilla Glass 6), glass back (Gorilla Glass 5),                                             aluminum frame
SIM                     Dual SIM (Nano-SIM, dual stand-by)
 
* DISPLAY    
Type                   AMOLED capacitive touchscreen, 16M colors
Size                     6.4 inches, 100.5 cm2 (~85.2% screen-to-body ratio)
Resolution      1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Protection       Corning Gorilla Glass 6
 
*  PLATFORM    
OS                      Android 8.1 (Oreo), 9.0 (Pie), planned upgrade to Android 10,                                  ColorOS 7.0
Chipset           Qualcomm SDM670 Snapdragon 670 (10 nm)
CPU    Octa-core (2x2.0 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)
GPU    Adreno 615
MEMORY    Card slot    No
Internal    128GB 6GB RAM, 128GB 8GB RAM
MAIN CAMERA    Dual    16 MP, f/1.7, 25mm (wide), 1/2.6", 1.22µm, PDAF
5 MP, f/2.4, (depth)
Features    Dual-LED flash, HDR, panorama
Video    4K@30fps, 1080p@30fps
SELFIE CAMERA    Single    25 MP, f/2.0, 1/2.8", 0.9µm
Features    HDR
Video    1080p@30fps