1.Small PFM control DC / DC boost controller chip2.Enter any DC voltage of 0.9V ~ 5V, can be stable output 5V DC voltage, output current of 500 ~ 600MA with two AA batteries input to a single AA battery-powered output current 200ma so, for the mobile phone, camera , single-chip, digital products supply. Stable output 5V DC voltage
3.USB female, can direct power to the USB interface device with USB female versatile
4.PCB size:32.53(mm) x17.55 (mm) ultra-small size, installed in a variety of small equipment
- Many customers ask if they can ship their products in a paper envelope. Unfortunately, we cannot do that because merchandise needs extra protection, and USPS does not provide a tracking number for this type of service.
- The shipping service we offer is First-Class Package Service, which is a domestic mail service offered by USPS. It is designed for mailing lightweight packages that weigh up to 15.99 ounces and offers delivery in 1-5 business days. It includes a tracking number, allowing customers to track their packages. USPS prices start at $4.75, but we don't have any control over shipping prices.