1 x Mini Coil Kit(Unassembled). Principle of wireless transmission: a coil connected at both ends with both ends LED, near-emitter device, Qiliang LED, the principle is resonant wireless power transfer.
| Brand | Unbranded |
1 x Mini Coil Kit(Unassembled). Principle of wireless transmission: a coil connected at both ends with both ends LED, near-emitter device, Qiliang LED, the principle is resonant wireless power transfer.