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) 
 
Making and receiving a call, Pedometer,sleep monitor,goals setting,real-time synchronization of data to APP, anti-lost reminder and alarm clock (vibration alarm),time display,incoming caller display,offline settings, capacitive touch screen,schedule reminder, wechat and QQ reminder(APP can turn on/off it)etc.