The Unihertz Atom is recognized as one of the world’s tiniest fully functional rugged 4G smartphones, perfectly crafted as a lightweight secondary backup device for construction workers, delivery couriers, dock laborers, farm operators, amateur hikers, campers, cyclists and users who need ultra-portable tough mobile communication without bulky weight. Rigorously certified IP68 waterproof, dustproof and MIL-STD-810H military rugged rating, this ultra-mini handset only weighs 108g with dimensions 96×45×18mm, capable of withstanding 1.5m freshwater submersion for 30 minutes, full all-around dust sealing, high-pressure hot water jet flushing, accidental drops onto hard concrete, heavy shocks and drastic extreme temperature shifts. It adopts thickened rubber armor corner bumpers, diamond anti-slip textured rear casing and scratch-resistant toughened front glass, delivering full-round protection against mud, rain, sand and rough bumps on construction sites, docks and wild outdoor areas. Its palm-sized body can effortlessly slip into jeans coin pockets, uniform breast pockets, small tool pouches and mini backpacks with zero cumbersome burden.
Stable Daily Expandable Performance & Expandable Storage
Powered by MediaTek Helio P23 energy-saving octa-core processor (2.0GHz), Unihertz Atom ensures lag-free running of outdoor navigation apps, social media, voice calls, instant messaging and lightweight casual games. Equipped with genuine 4GB physical RAM, virtual memory expansion boosts total running memory up to 8GB, allowing multiple mapping tools, communication software and camera programs to run simultaneously without stuttering or crashing. Built-in 64GB internal storage stores contacts, site inspection photos, offline navigation maps and media files; independent TF card slot supports storage expansion up to 1TB to meet long-term field data archiving demands. It supports dual Nano 4G LTE SIM standby, dual-band 2.4G Wi-Fi and Bluetooth 5.0 for stable global wireless connection worldwide.
2.45-inch HD Compact Sunlight-Readable IPS Mini Display
Featuring a tiny 2.45-inch 240×432 HD IPS capacitive touch screen with decent outdoor peak brightness, Unihertz Atom displays clear text, navigation coordinates and field photos even under intense direct sunlight at open construction yards and docks. Compact responsive touch panel supports smooth single-hand operation, easy to operate with one palm during field work. Multi-level blue light eye-care filter effectively relieves eye fatigue during long-hour equipment inspection and document browsing.
2000mAh Lightweight Endurance Battery, 5W Charging & Basic OTG Reverse Charging
Unihertz Atom carries a built-in 2000mAh high-density safe lithium polymer battery, supporting full-day continuous standby and moderate heavy-duty use including long-distance navigation, intermittent camera recording and non-stop voice calls after a single full charge. It solves the frequent recharging trouble for short-distance hiking, daily work shifts and offshore short assignments. 5W Micro USB wired charging completes power replenishment conveniently. Built-in OTG reverse charging turns this mini rugged phone into an emergency power supply to charge Bluetooth earbuds, smartwatches and other tiny portable electronics when wall power outlets are unavailable outdoors. A rear LED flashlight serves as mini lighting for night patrol and emergency rescue scenarios.
Practical Dual HD Camera Suite Supporting Underwater Shooting
This ultra-small rugged phone comes with a user-friendly dual camera system customized for daily on-site recording needs:
1. 16MP high-definition rear main camera with LED fill flash: Captures rich-color detailed photos and 1080P videos for equipment defect records, label snapshots and group shots, fully supporting underwater photography relying on IP68 waterproof performance.
2. 8MP HD front selfie camera: Delivers stable smooth high-definition video calls for remote technical guidance and daily family video chats.
5G support: no
Battery capacity: 2000mAh
Connector type: USB Type-C
Weight: 108
Resolution: 240 x 432
Display type: Touchscreen
HDMI Port: No
Jack output: no
Waterproof: yes
NFC support: no
Operating system: Android
Screen diagonal: 2.45
SIM-card count: dual SIM
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