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) 
 
Brand: Xiaomi 
Color: White, blue 
Rated voltage: 5V 
Rated power: 2.5W (maximum) 
Size: About 199x17x9mm/7.83x0.67x0.35in
Net weight: 10g