This is the Friend Recorder: an open source wearable recording device that combines with your phone to give you easy access to transcriptions of meetings, chats, and voice memos. It allows for 24 hours of battery on a single charge. This wearable gadget is compatible with Bluetooth and WiFi.
More gadgets like this: here
Friend has a 3D printed case. It has a 250mAh battery inside that you can recharge via USB-C. You can order this disassembled. All packages gives you access to SDK and developer resources.
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