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) 
 
FM Radio: delivers high sensitive radio signals.
More playing modes: USB/ Micro SD(TF catd), supports music formats in MP3, WAV.
Handsfree Function: support phone call function
TWS: it is an true wireless Stereo speaker, supports 2 sake device connection
Wireless Speaker: supports Wireless Technology enabled devices such as mobile phone, laptop, desktop, tablets, working distance up to 10 meters.