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    159.8 x 76.1 x 8.1 mm (6.29 x 3.00 x 0.32 in)
Weight    176 g (6.21 oz)
Build    Glass front, plastic back, plastic frame
SIM    Hybrid Dual SIM (Nano-SIM, dual stand-by)
* DISPLAY    
Type    IPS LCD
Size    6.39 inches, 100.2 cm2 (~82.4% screen-to-body ratio)
Resolution    720 x 1560 pixels, 19.5:9 ratio (~269 ppi density)
* PLATFORM    
OS    Android 9.0 (Pie), EMUI 9, no Google Play Services
Chipset    Kirin 710F (12 nm)
CPU    Octa-core (4x2.2 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
GPU    Mali-G51 MP4
* MEMORY    
Card slot    microSDXC (uses shared SIM slot)
Internal    64GB 4GB RAM
* MAIN CAMERA    
Triple    48 MP, f/1.8, 27mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.4, (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (depth)
Features    LED flash, HDR, panorama
Video    1080p@30fps
* SELFIE CAMERA    
Single    8 MP, f/2.0
Features    HDR
Video    1080p@30fps