Rainproof: The doorbell can be installed outdoors, and you are no need to worry about it is drenched by rain. Easy Installation: This video doorbell is wireless with no need of cables or lines. What you need to do is to fit the support on the wall with the mounting screws, install the batteries and download the APP, then you can begin using it.
eBay
Portable Wireless Speaker Stereo FM Radio Rechargeable Battery Support TF Card USB Bluetooth-compatible Speaker With FM Receiver
Aliexpress UK
Smart Doorbell. Voice intercom: 3M. Doorbell size: 91 52.5 26mm. Doorbell weight: 84.5g. Doorbell 1. Certification: battery certification, FCC, CE, ROHS. Audio information: built-in speaker, microphone.
eBay
Original Marshall Willen Portable Bluetooth Speaker IP67 Waterproof Wireless Mini Travel Speaker Bass Stereo Subwoofer Speaker
Aliexpress UK
(Or press and hold the doorbell button for 5 seconds). Support 2.4GHz WIFI and APP connection, 480P high resolution, present you clearly pictures and video. The doorbell only supports 2.4G WiFi and does not support 5G WiFi signals.
eBay
Mini Portable Car Audio Dazzling Crack LED Lights Wireless Bluetooth Subwoofer Speaker Support TF Card USB for PC/Mobile Phone
Aliexpress UK
Portable size and weight, easy to install, no battery included, battery required to use(supports 2.4G WIFI, does not support 5G WIF and 2.4G WIF). Easy to install: Download the app and connect it to the doorbell.
eBay
Karaoke Wireless Portable Bluetooth Speaker With Microphone Radio FM Machine Mini Music Sound Box Caixa De Som Small Mp3 Column
Aliexpress UK
Rainproof: The doorbell can be installed outdoors, and you are no need to worry about it is drenched by rain. Indoor Doorbell Receiver 1 x Smart Wireless WiFi Visual Doorbell. 2.4Ghz Support WiFi. Monitoring: Device Button, Motion Detection, Remote Live View.
eBay
Solar Charging Portable Wireless Bluetooth Speaker Outdoor Subwoofer
Aliexpress UK
Rainproof: The doorbell can be installed outdoors, and you are no need to worry about it is drenched by rain. Indoor Doorbell Receiver Motion Detector. 1 x Smart Wireless WiFi Visual Doorbell. 2.4Ghz Support WiFi.
eBay
BT Speaker Dual Speaker Stereo Outdoor Tf USB Playback Fm Voice Broadcasting Portable Subwoofer 50 Wireless Speaker
Aliexpress UK
Just Install it and forget it. Only supports 2.4GHz WiFi ( 5GHz is not supported ). You can place it anywhere indoors with no cords or cables needed. With the included 2 double-sided adhesive pads, you can place it on a flat surface, or stick it on a slope, a wall, a cabinet, etc.
eBay
Retro Portable Wireless Bluetooth Speaker High-Quality Powerful Stereo Sound Box Vintage FM Rechargeable MP3 Player
Aliexpress UK
Just Install it and forget it. Only supports 2.4GHz WiFi ( 5GHz is not supported ). Built-in 3dBi wifi antennas make the WiFi connection more stable, protect and connect from anywhere. Stable WiFi connection.
eBay
Portable K12 Karaoke Bluetooth 5.3 Speaker Machine PA System with 1-2 Wireless Microphones Home Family Singing Children's Gifts
Aliexpress UK