1-Port USB Charger

Item:LA-421 Price:$28.00

Turn any outlet into a charging station and offer your users with a compact, flexible power option with the LA-421 single-port USB charger. Ideal for personal use or for small venues, the charger’s compact design makes it easy to carry and store, and ensures that it will not block access to other outlets when in use. The charger supports input voltages of 100-240 VAC at 50-60Hz.

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One (1) LA-421 1-Port USB Charger
One (1) LA-422 USB to Micro USB Cable


  • Compatible with all Listen Technologies iDSP products
  • Ideal for personal use or in smaller spaces/venues
  • Compact design will not block access to other outlets when in use
  • Easy to store and carry

Also Needed



Power Supply Input100-240 V, 50-60 Hz, 0.18 A
Power Supply Output5.0 VDC, 1000 mA


Shipping Weight1.0 lbs. (454 g)
Cable Length36 in. (92 cm)
Cable TypeUSB to Micro USB Cable, (LA-422)
Dimensions (H x W x D)1.25 in. x 1.25 in. x 1.25 in. (32 mm x 32 mm x 32 mm)
Unit Weight2.20 oz. (62 g)


StandardsETL, UL, CE, FCC, RoHS




+What is Listen Technologies product warranty?

+What is the purpose of the LA-421?

The LA-421 is used to charge Listen Intelligent portable products.

+Can you charge other USB type devices with the LA-421?

Yes, but it is highly recommended to check with the manufacturer of the other device for specification compatibility.

+Can I use the product outside of North America?

Yes, but you will need an international plug adapter.