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GeekBuying.com [geekbuying.com] has the 3.5" IPS TYPE-C Secondary Screen CPU GPU RAM HDD Monitoring USB Display for $ 22.99 – $ 5 with code NNNSDIPS = $ 17.99. Shipping is free.
Does not include battery or the Primary P760 speaker which is required for use. This is an add-on speaker for the Ryobi Score system. Does include electrical power cable.
I just received (3) of these to link with my P760 and P761 set and they arrived in factory boxes. No signs of being "factory blemished". (3) speakers plus shipping was ~$ 37.00 total.