Details
It is built-in rechargeable polymer battery lasts up to 6 hours of continuous use.Red light-charging. Blue light-charging full/ working. Work with mobile phone with 3.5mm audio plug, cellphone, MP3, MP4, PC and so on.
| Quantity | 1,000 | 3,000 | 5,000 |
|---|---|---|---|
| Price | $3.65 | $3.50 | $3.167 |
