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) 
 
Samsung Galaxy A20
 
BODY: 158.4 x 74.7 x 7.8 mm (6.24 x 2.94 x 0.31 in)
WEIGHT:169 g (5.96 oz)
OS:Android 9.0 (Pie); One UI
CHIPSET: Exynos 7884
CPU: Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU: Octa-core (2x1.6 GHz & 6x1.35 GHz)
INTERNAL MEMORY: 32 GB, 3 GB RAM
MAIN CAMERA: 13 MP, f/1.9, 28mm (wide), AF5 MP, f/2.2, 12mm (ultrawide)
FRONT CAMERA: 8 MP, f/2.0
FEATURES: Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
BATTERY: Non-removable Li-Po 4000 mAh battery
MISC: COLORS; Black, Deep Blue, Red, Coral Orange
NETWORK: TECHNOLOGY; GSM / HSPA / LTE