smart4u SH20 User manual

www.Smart4u.ai
SH20

"+"Button
Microphone
""Button
"-"Button
Indicator light
Charging port
Speaker
Speaker Front
Main control
Front chinstrap Rear chinstrap
Adjustable
Buckle
Back
.Introduction
Welcome to the User Guide for Smart4u smart cycling helmets. This Guide will help you better use this product. With
continuous improvements of our products, this Guide will be updated from time to time. You can access the latest
versionand learn more about the helmet on www.smart4u.ai.
Helmet x1 USB charging cable x1 Quick start guide & warranty details x 1
prevail.

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III. Wearing Instructions
Incorrect Incorrect Correct
4. Please wiped the helmet surface with water, neither wiped with alcohol,gasoline & any other organic solvents nor
acid,alkali & any other corrosive liquids.
5. Please placed it in a cool and ventilated place to prevent moisture and mildew;
6. The helmet’s valid time is 3 years by normal use.

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IV. Operating Instructions
Hold the” □”button for approx 3 seconds until you hear the power on voice prompt and the” □” indicator light
turns on.
Hold the” □□” indicator light
Bluetooth pairing
□button until you hear "Pairing”.
Switch on Bluetooth of your phone and scan for the device "Helmetphone".
Click to connect. A voice prompt "Connected" will be heard from the speakers when the connection is completed.
Answer and hang up calls
Will be a tone when there is a incoming call. Answer phone call click ” □” button, reject phone call hold the ” □”
button longer than 1 second, during a call press ” □”button will hang up the phone call.
Redial calls
When helmet is connected to your mobile phone, click ” □”button twice quickly, will redial the last outgoing call.
Play music
When helmet is connected to your mobile phone & music APP is turning on. Press ” □” button play/pause music.
Hold”-”button for 1 second to move previous song. Hold”+”button for 1 second to move next song.

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Volume
When Playing music or during a call, click“+”to increase volume, click “-”to decrease volume
Switch language of the voice prompt
languages, switching order is English→Chinese. After switching to the language you need, release the “-” button to
end.
Charging
charged.
Voice: Mic-39dB,8Ω Hi-Fi speaker Charging Port: Micro USB
Electricity Parameter : DC 5V/0.5ABattery Capacity: 3.7V/450Mah(1.665WH)
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Temperature: Storage Temperature: -20°C ~45°C. Temperature for use: 0°C~40°C.
Temperature while charging: 0°C~40°C.
Notes: Smart4U measures the above data in a controlled environment, with ambient temperature at 25 °C and
smartphone volume at 60%. The data may vary according to the environment.