Bluetooth compact speaker

Bluetooth compact speaker. 3 or 4 parts.
More information: http://mikdandyz.wixsite.com/mikdandyz/single-post/2017/05/11/Bluetooth-%D0%BA%D0%BE%D0%BB%D0%BE%D0%BD%D0%BA%D0%B0-%D0%BD%D0%B0-3D-%D0%BF%D1%80%D0%B8%D0%BD%D1%82%D0%B5%D1%80%D0%B5-2

http://mikdandyz.wixsite.com/mikdandyz/single-post/2017/04/30/Bluetooth-%D0%BA%D0%BE%D0%BB%D0%BE%D0%BD%D0%BA%D0%B0-%D0%BD%D0%B0-3D-%D0%BF%D1%80%D0%B8%D0%BD%D1%82%D0%B5%D1%80%D0%B5-1
Need:
- Holder https://ru.aliexpress.com/item/18650-Battery-Holder-Plastic-Battery-Holder-Case-Storage-Box-1-18650-Holder-3-7V-with-Pin/32542430206.html?spm=a2g0s.9042311.0.0.pbwyJX
- BT board (amplifier included) https://ru.aliexpress.com/item/Wireless-Digital-Receiver-Amplifier-Board-Bluetooth-3W-Audio-Receiver-Amplifier-Board/32695341117.html?spm=a2g0s.9042311.0.0.pbwyJX
- 18650 accumulator
- Charge + save battery board https://ru.aliexpress.com/item/1PCS-5V-1A-Micro-USB-18650-Lithium-Battery-Charging-Board-Charger-Module-Protection-Dual-Functions/32467578