HS21 Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for HS21 products.

Tip: include the full model number printed on your HS21 label for the best match.

HS21 manuals

Latest posts, featured manuals, and retailer-linked manuals for this brand tag.

SOFIRN HS21 Led Rechargeable Headlamp with Red Light User Manual

March 16, 2026

SOFIRN HS21 Led Rechargeable Headlamp with Red Light Product Usage Instructions Press*1 to turn on the light. Press*1 to turn off the light. Press*2 for Moonlight (Eco) mode. Press & Hold for Low brightness. Release for Medium brightness. Press*1 to…

Brand: Sofirn

SOFIRN HS21 Head Lamp User Manual

March 27, 2025

SOFIRN HS21 Head Lamp User Manual HS21 is a T-shape headlamp designed with multi-light sources. Equipped with 10 emitters that provides flood light, spot light and red light. It has a rotary switch for easy light source adjustment and is…

Brand: Sofirn

X-SENSE HS21 Wireless Interlinked Smoke and Heat Alarms Bundle Instruction Manual

November 16, 2023

HS21 Wireless Interlinked Smoke and Heat Alarms Bundle Instruction Manual This user manual contains important information regarding the operation of your X-Sense smoke alarm. Ensure you read this user manual fully before installing and operating the alarm. If you are…

Brand: X-SENSE

iClever HS21 Kids Headphones-Instruction Guide

September 9, 2022

iClever HS21 Kids Headphones Specifications DIMENSIONS: 44 in (189 mm) x 7.09 in (180 mm) x 3.11 in (79 mm) WEIGHT:47 oz. (240 g) (including cable) BRAND: iClever MODEL: HS21 COLOR: Blue FORM FACTOR: On Ear CONNECTIVITY TECHNOLOGY: Wired VOLUME…

Brand: iclever