USB-грелка

USB Drink WarmerDetails: (1)Unit Size:11x9.7x2.3cm (2)Weight:85.4g (3)Color:silver/red/black/green/blue or customized (4)Material:stainless steel pa,ABS shell Main SPEC: (1) Keep drink warm at 50-60. (2) Easy installation,no driver required, plug & play; (3) USB powered,no batteries needed;Rated power: 2.5W-5V DC; (4) Red LED indication when warmer is turned on; (5) Insulation material around the metal hot plate prevents burns. (6) USB line length: 1-1.5m,working length: 800-1300mm. (9) DC interface is optional; (10) With ON/OFF switch; (11) Heating pad dia.:76mm;