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) 
 
Vivo V15 Pro
 
BODY: 157.3 x 74.7 x 8.2 mm (6.19 x 2.94 x 0.32 in)
WEIGHT: 185 g (6.53 oz)
OS: Android 9.0 (Pie); Funtouch 9
CHIPSET: Qualcomm SDM675 Snapdragon 675 (11 nm)
CPU: Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
GPU: Adreno 612
INTERNAL MEMORY: 128 GB, 6/8 GB RAM
MAIN CAMERA: 48 MP, f/1.8, 1/2", 0.8µm, PDAF    8 MP, f/2.2, 13mm (ultrawide)   5 MP, f/2.4, depth sensor
FRONT CAMERA:Motorized pop-up 32 MP, f/2.0
FEATURES: Fingerprint (under display), accelerometer, gyro, proximity, compass
BATTERY: Non-removable Li-Po 3700 mAh battery
MISC: COLORS; Topaz Blue, Coral Red, Ruby Red
NETWORK: TECHNOLOGY; GSM / HSPA / LTE