DIRECT SUNLIGHT REQUIRED IF YOU WANT INDOOR WORKING JEWELRY CHECK MY OTHER PRODUCT IN STORE !

A great gift that can be used as a pendant necklace.

This solar-powered flashing LED heart requires no batteries or wires to charge.

And what is the best thing?

• Most innovative and best solar harvester
• I am sure that it is new blink principle :D
• 0.4V startup! very innovative design with onboard pcb coil transformer
• Only 2 BPW 34 for generating power
• Minimal components; all magic is hidden in PCB structure
• Wearable & compact; this is the new generation of self powered LED jewelry
• Innovative
• Effective
• Reliable
• With good coating, it will survive doomsday
• No direct sunlight required, work much better in shadow
• No batteries, no waste
• Environmentally friendly; will work foreeeeeeeeeever

LED starts flash on sunlight. Board is based on PCB coil joule thief

• red flashing LED
• red PCB
• size is about 40x40mm