Please include the specifications of the order 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 specification.
(ex. Vivo V15, 128gb, 6gb RAM, Coral Red) (ex. BT HF PRO SY BT1607, Red) 
 
BODY: 152.4 x 78.6 x 7.6 mm (6.00 x 3.09 x 0.30 in)
WEIGHT: 170 g (6.00 oz)
OS: Android 7.0 (Nougat), upgradable to Android 8.0 (Oreo)
CHIPSET: Exynos 7870 Octa (14 nm)
CPU: Octa-core 1.6 GHz Cortex-A53
GPU: Mali-T830 MP1
INTERNAL MEMORY: 16 GB, 2 GB RAM
MAIN CAMERA: 13 MP, f/1.9, 28mm (wide), AF
FRONT CAMERA: 5 MP, f/2.2, 23mm (wide)
FEATURES: Accelerometer, proximity
- ANT+
BATTERY: Removable Li-Ion 3000 mAh battery
NETWORK: TECHNOLOGY; GSM / CDMA / HSPA / LTE