2-in-1 (Mic&Earphone) 1, Microphone 1, Earphone 1. Microphone indicator: The light turns off when the microphone is muted（New and Old version update point, Old version: Red Light When Silence）.
eBay
FiiO KA11 Hifi Sound USB DAC AMP Hi-Res Audio Type-C to 3.5mm Adapter USB Dongle DAD256 Headphone Amplifier Android iOS Phones
Aliexpress UK
Feature: 1. Flexible Sound Interface: The USB 7.1 channel sound adapter has highly flexible sound interface that does not support microphone input but also supports sound output. Interface: Type C To 3.5mm Headphone Jack.
eBay
USB Wired Wood Speakers Bass Stereo Subwoofer Sound Box 3.5mm AUX Input USB Power Computer Speakers For Desktop PC Smart Phone
Aliexpress UK
A clever little adaptor that gives a microphone input and a headphone output (both on 3.5 mm jack socket) to most USB devices. Gives mic input and headphone output to USB devices. Ideal if your audio sockets are hard to reach.
eBay
USB Wired Wood Speakers Bass Stereo Subwoofer Sound Box 3.5mm AUX Input USB Power Computer Speakers For Desktop PC Smart Phone
Aliexpress UK
In the digital recording mode, it receives SPDIF digital input and sends it back to the PC via USB. Add full-duplex playback/recording on any PC or. 1 x USB Cable. Supports 32kbz, 44kHz.
eBay
CM108 + Double TDA1305T USB DAC Amp USB Sound Card Decoder IIS/I2S To 3.5mm Optical Output
Aliexpress UK
1 Piece USB External Sound Card. Support 5.1 channel, can be connected to 5.1 audio. Reflow and playback of full-duplex audio streams without the need for a PC built-in sound card. 1 Piece USB Cable.
eBay
7W External Speaker For Car Sound Box Loudspeaker Boxes 400Hz with 3.5mm Audio Jack 6ft Power Cable
Aliexpress UK
Fit for Speaker/wired headphone jack /wired microphone jack. USB Interface Type: the USB interface type ensures fast and easy data transfer, making it convenient to use. White external Sound Card 1.
eBay
6Ohm Brand New Walnut Fever Independent Ribbon Super Tweeter External Tweeter Speaker Sound Box 30W
Aliexpress UK
Connector: USB Type A socket, 2 stereo output jacks, 2 mono microphone input jacks. Xara 3D (7.1 channel sound simulation software) for Windows XP / Vista. The USB virtual 7.1 channel sound adapter is a highly flexible audio interface which can be used either desktop or notebook system.
eBay
Portable Mini Speaker Universal 3.5mm Plug in Jack Mini Sound Box Mobile Phone Speaker Amplifier External Wired Speakers Hot
Aliexpress UK
Item Type: USB Live Sound Card. High Resolution: Support 24 BIT 192KHZ high definition sound quality, so that the hearing effect is clear, the details are full and low noise, the built in AD,DA converter achieves high resolution, and the sampling rate can be flexibly switched to 44.1K, 48K, 88.2K, 96K, 176.4K, 192KHZ.
eBay
60W 6Ohm Brand New Fever Independent Ribbon Super Tweeter External Tweeter Speaker Passive Sound Box Extension
Aliexpress UK