Please include the specifications of the ordered product when filling up your order. On the lower part portion of the product image, then click "add a note" to specify your preferred color, memory, and specification.
(ex. Vivo V15, 128gb, 6gb RAM, Coral Red) (ex. BT HF PRO SY BT1607, Red) 
 
Vivo Y15a 64GB
 
Screen: 6.51-inch HD+ IPS LCD Display (720 x 1600 Pixels, 270 ppi) with 20:9 Aspect Ratio and notch
Operating System: Android 11 with Funtouch OS 11.1
Chipset: MediaTek Helio P35
Dual Cameras:
13MP Main Camera (f/2.2 Aperture, Autofocus)
2MP Macro (f/2.4 Aperture)
-LED Flash
Front Camera: 8 Megapixels (f/2.0 Aperture)
Storage: 4GB RAM + 64GB ROM
Battery: 5000 mAh Li-Po Battery (Non-removable)10W Charging Rate
Network: 4G LTE, 3G HSPA+, 2G EDGE & GPRS Networks
Sim Slot: Dual SIM (Nano-SIM)