Dongguan Lidea Electronics Co., Ltd. specializes in R&D, manufacturing, and sales of rechargeable lithium-ion button cell batteries. The company holds ISO9001, ISO14001, and ISO45001 certifications, with products certified by UL, IEC, UN38.3, MSDS, and RoHS. Main products are 3.6V rechargeable button batteries for TWS Bluetooth earphones, hearing aids, smartwatches, smart wearables, and various digital devices.