Brvatoe 15.6 Inch Digital Picture Frame with Wi-Fi

Brvatoe 15.6 Inches WiFi Digital Picture Frame, 1920×1080 FHD Touch Screen, Effortless to USE, Share Photos and Videos Instantly via Email or App, Large Digital Photo Frame with 16GB Storage (Amazon Affiliate)
US: https://amzn.to/3D6hoJV

EnGenius Freestyl Long Range SIP Phone

EnGenius FreeStyl SIP2, Long Range, Portable 900 Mhz Scalable IP Phone with 2-Way Radio for Broadcast/Intercom, Expandable up to (10) Handsets per Base, 10 Acres of Coverage, Includes (2) Handsets (Amazon Affiliate)
US: https://amzn.to/3p6i2Cq

EnGenius FreeStyl SIP-HC Expansion Handset with Rechargeable Battery and Cradle, 900 Mhz Scalable IP Phone, 2-Way Radio for Broadcast/Intercom (Amazon Affiliate)
US: https://amzn.to/3rfB9wu

https://www.onsip.com/

TROND Bluetooth Audio Transmitter and Receiver

TROND Bluetooth V5.0 Transmitter Audio Receiver for TV to Wireless Headphones, 3.5mm Audio Adapter, AptX Low Latency, Smart Codec Indicator, 2 Earbuds Simultaneously, TX/RX for RCA/AUX Audio Input (Amazon Affiliate)
US: https://amzn.to/3p6wJVV