H21 Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for H21 products.

Tip: include the full model number printed on your H21 label for the best match.

H21 manuals

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

JARGOU H21 3-in-1 Magnetic Wireless Charger User Manual

February 19, 2026

JARGOU H21 3-in-1 Magnetic Wireless Charger Specification Model: H21 Input: 9V=2A Output: 7.5W (Smart Phone) Output: 3W (Earphone) Output: 2.5W (iWatch) Brand: JARGOU Conversion Effciency: Materials: ABS+PC+Meta Size: mm Weight: 188g Product Introduction The product is a 3-in-l wireless charging…

Brand: JARGOU

Markertek H21 Wireless Microphone User Manual

September 14, 2025

Markertek H21 Wireless Microphone Introduction Thanks for choosing our product. This product is a smart wireless microphone that provides professional-grade recording output. Plug and play, no app required. Multiple uses: It can be used in on line live broadcast, video…

Brand: markertek

MPOW H21 Wireless Bluetooth Headset User Manual

June 17, 2025

MPOW H21 Wireless Bluetooth Headset Customer Service If you have any problems with your earbuds, please do not hesitate to contact us to solve your problem. Packing List Product Overview First Time Using Prior to first use, please ensure to…

Brand: MPow

Awei H21 Smart Watch User Manual

May 12, 2025

Smart watch manual Product Introduction: APP download and connection: 1. Scan the QR code to download and install the HryFine APP https://www.lhzl666.com/home/qrcode_jump/index/id/2 2. APP connection method: (1) After the watch is turned on, open Settings-General-About This Machine, and check the…

Brand: awei

Yuweixin H21 5 Inch 2 Channels 2.4GHz HD Digital Wireless Monitoring System User Manual

April 9, 2025

Yuweixin H21 5 Inch 2 Channels 2.4GHz HD Digital Wireless Monitoring System Specifications Monitor Parameters: Display: 5 inch IPS full view angle Resolution: 800*480 Brightness: 500cd/m Operating Voltage: DC 12V-32V Power Consumption: 240mA @ DC12V Operating Temperature: Min illumination 0.01…

Brand: Yuweixin

Advantage Controls H21 Mega Tron Controller Instruction Manual

October 18, 2024

Advantage Controls H21 Mega Tron Controller Advantage Controls 4700 Harold-Abitz Dr. Muskogee, OK 74403 Phone: 800-743-7431 Fax: 888-686-6212 www.advantagecontrols.com email: support@advantagecontrols.com BACnet Introduction The MegaTron controller is capable of connecting to the WebAdvantage Server and most Building Management Systems. The…

Brand: Advantage Controls

Huashengtimes H21 Outdoor Mobile Power Lighting Radio User Manual

July 20, 2024

Huashengtimes H21 Outdoor Mobile Power Lighting Radio Product Information Specifications Manufacturer: Shenzhen Huashengtimes Electronic Technology Co., LTD Email: Luft_3036@outlook.com Bluetooth Version: 5.3 Bluetooth Transmission Distance: 10m-15m USB Charging Port: 5V Input for USB Output Port: 5V/3A or less Product Usage…

Brand: Huashengtimes

Aodehong H21 3 In 1 Magnetic Wireless Charger User Manual

September 7, 2023

Aodehong H21 3 In 1 Magnetic Wireless Charger Product Introduction The product is a 3-in-1 wireless charging pad, a preferred smart chip, and supports mobile phones, smartwatches, and earphones. Achieve high efficiency, and stable performance, Put it on and charge,…

Brand: Aodehong

YOELEO H9/H21 Shifting Cable and Brake House Routing Installation Guide

June 24, 2023

YOELEO H9/H21 Shifting Cable and Brake House Routing Product Information The Di2 Wire is an electronic shifting system for bicycles. It allows for precise and effortless shifting of gears with the push of a button. The wire is designed to…

Brand: YOELEO

sunsky H21 Earphone Bracelet User Manual

March 23, 2023

sunsky H21 Earphone Bracelet User Manual Bottom view Fr ont view Heart rate sensor Temperature Sensor Charging contacts Loudspeaker Headphone eject button Touch button Wristband holder Display screed Sound hole User QuickOperationGuide Before turning on the bracelet, pleasereadit carefully and…

Brand: sunsky

H21 3-in-1 Magnetic Wireless Charger User Manual

manual • May 15, 2026

User manual for the H21 3-in-1 Magnetic Wireless Charger, featuring specifications, compatibility details, charging modes, safety instructions, and troubleshooting guide.

Brand: H21