Please include the specifications of the product when filling up your order. On the lower part portion of the product image, then click "add a note" to specify your preferred color, memory, and other specification.
(ex. Vivo V15, 128gb, 6gb RAM, Coral Red) (ex. BT HF PRO SY BT1607, Red) 
 
CZ Pro Wireless Headset SY-BT851
 
	
Bluetooth version: Bluetooth v4.2 + EDR
	
Transmission Range: 10Meters
	
Charging Time: 2 Hours
	
Battery Capacity: 100Mah