Best Portable O2 Concentrator

O2COOL Battery Powered Deluxe Necklace Fan For Personal Cooling With Adjustable Lanyard (Purple) 2 Pack

Includes 2 of the popular O2COOL hands-free cooling neck fan with powerful vertical airflow.
Fan requires 2-AA batteries (not included).

Includes 2 of the popular O2COOL hands-free cooling neck fan with powerful vertical airflow.
Fan requires 2-AA batteries (not included).

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COMFORTABLE COOLING MIST: Beat the heat with a personal cooling system. This portable mini misting fan from O2COOL offers a fine mist of cold water....
POWERFUL ONE-SPEED MOTOR: With the help of the powerful motor and flexible fan blades you can get a cool breeze anywhere! Its battery operated,....
PERFECT FOR OUTDOOR OUTINGS: Using the deluxe misting fan is the perfect way to cool your face at the beach, park, at a game, camping or at theme....
PORTABLE & HANDHELD: This battery operated fan is perfect for travel and it’s a great way for kids to get some chill. It’s compact and lightweight....
COLORFUL DESIGNS FOR EVERYONE: All of our fans and bottles are stylish, colorful and bright.

ADKS-4 is a portable 4 gas detector for carbon monoxide (CO), oxygen (O2), hydrogen sulfide (H2S), and combustibles (EX) from CHNADKS, using imported sensors with lifetime of 2-5 years.Can be continuously detect the concentration of leaking gas..
Upgraded 4 gas Monitor: Easy operate, LCD real-time display. Three Alarm for light, sound and vibration indication. Waterproof IP54, fast response within 45s, standby time 16-18 hours..
Technical Data:Multiple explosion-proof signs, respectively, Ex ib IIB T3 Gb.
long sensor life: LEL, HzS, C0: 2~3 years, O2: 5 years.
working environment temperature is -20℃~ 50℃.
The 4 gas detector size is 130*65*45(mm) and the weight:0.5kg.
Usage Environment:The 4 gas monitor is widely used in petroleum, chemical, environmental protection, metallurgy, refining, gas transmission and distribution, biochemical medicine, agriculture and other industries..
Please Note:The battery pack cannot be removed or replaced in an explosive atmosphere, and the battery pack cannot be charged. Peripheral plug-in devices that are n....

COMFORTABLE COOLING MIST: Beat the heat with a personal cooling system. This portable misting fan from O2COOL offers a fine mist of cold water and a....
POWERFUL ONE-SPEED MOTOR: With the help of the powerful motor and flexible fan blades you can get a cool breeze anywhere! Its battery operated,....
PERFECT FOR OUTDOOR OUTINGS: Give yourself a refresh anywhere! It’s the perfect way to cool your face at the beach, park, at a game, camping or for....
PORTABLE & HANDHELD: This battery-operated fan is perfect for travel and it’s a great way for kids to get some chill. It’s compact and lightweight....
COLORFUL DESIGNS FOR EVERYONE: All of our fans and bottles are stylish, colorful and bright! It makes a great gift for kids, co-workers and friends!.

COMFORTABLE COOLING MIST: Beat the heat with a personal cooling system. This portable mini misting fan from O2COOL offers a fine mist of cold water....
POWERFUL ONE-SPEED MOTOR: With the help of the powerful motor and flexible fan blades you can get a cool breeze anywhere! Its battery operated,....
PERFECT FOR OUTDOOR OUTINGS: Using the deluxe misting fan is the perfect way to cool your face at the beach, park, at a game, camping or at theme....
PORTABLE & HANDHELD: This battery operated fan is perfect for travel and it’s a great way for kids to get some chill. It’s compact and lightweight....
COLORFUL DESIGNS FOR EVERYONE: All of our fans and bottles are stylish, colorful and bright.

DRY & STYLE ON-THE-GO: This travel dryer delivers powerful airflow in a portable package. The tourmaline-infused ceramic components radiate far-infrared heat & emit negative ions to lock in moisture, eliminate frizz, & speed up the drying process..
ION & FAR-INFRARED TECHNOLOGY: Negative ions smooth the cuticle & eliminate frizz. Far-infrared heat is gentle on hair & minimizes heat damage..
2 SPEED SETTINGS: Allow customization for all hair types & textures. Powered by a 1200W DC motor for travel use..
TRAVEL FRIENDLY: 120-125V for world travel. Includes cosmetic bag for easy travel & storage..
INCLUDES: Concentrator & diffuser attachments for controlled airflow & added volume..

All-day Monitoring: It can be used continuously tracking of blood oxygen level, pulse rate and body motion for the whole day. (Up to 16 hours).
Smart Readings Reminder: If the O2 level is lower than the preset threshold and heart rate is lower or higher than the preset threshold, the device and the APP will vibrate to notify you and mark it in the report..
Detailed APP & PC Reports: Free APP & PC software provides graphic O2, PR report and trends of data. Unlimited sharing of PDF and CSV reports. APP compatible with iOS 9.0 or above, iPhone 4s/ iPad 3 or above, Android 5.0 or above, with Bluetooth 4.0 BLE..
Built-in Memory: O2ring device stores four groups of 10-hour data.When the device is connected to the APP via Bluetooth, the data will be uploaded automatically..
User Friendly: The O2ring runs automatically when you wear it.The patented comfortable soft silicon sensor ring is light and convenient..

COMFORTABLE COOLING MIST: Beat the heat with a personal cooling system. This portable mini misting fan from O2COOL offers a fine mist of cold water....
POWERFUL ONE-SPEED MOTOR: With the help of the powerful motor and flexible fan blades you can get a cool breeze anywhere! Its battery operated,....
PERFECT FOR OUTDOOR ACTIVITIES: Give yourself a refresh anywhere! It’s the perfect way to cool your face at the beach, park, at a game, camping or....
PORTABLE & HANDHELD: This battery operated fan is perfect for travel and it’s a great way for kids to get some chill. It’s compact and lightweight....
COLORFUL DESIGNS FOR EVERYONE: All of our fans and bottles are stylish, colorful and bright! This offer is a 2 PACK. You will receive 2 Purple Deluxe....