Description
Reviews
| Brand | - |
| Category | Stationery, Educational Electronics & Office Supplies / Calculators |
| Origin | - |
| Brand | Deli |
| Model Number | TE28 (SJJF-1) |
| Display Type | Large LCD with 12 Digits |
| Voice Feature | Real Human Pronunciation in English |
| Power Source | Dual Power (Solar + Battery) |
| Key Material | Soft-Touch Plastic |
| Dimensions | 6.5 x 4.8 x 1.2 inches |
| Weight | 7.2 ounces |
| Color | Black and Silver |
| Warranty | 1 Year Manufacturer Warranty |
Anonymous
Mar 25, 2026
Rating: 5/5
Excellent visibility and sound
As someone with slightly impaired vision, this calculator is a blessing. The numbers are massive, and the clear human voice confirms my calculations. Highly recommended for seniors or anyone who wants extra confirmation.
Anonymous
Mar 22, 2026
Rating: 5/5
Perfect for my accounting tasks
The voice feature is a game changer. It reads out every number I type, which helps me catch errors immediately during long data entry sessions. The display is huge and easy to read even in low light.
Anonymous
Mar 14, 2026
Rating: 5/5
Sturdy and reliable
Been using this for three months in my small business. It feels very durable, the keys have a nice click, and the solar backup means I rarely need to change batteries. The voice pronunciation sounds very natural.
Anonymous
Mar 13, 2026
Rating: 4/5
Good value for money
Does exactly what it says on the box. The voice is clear and not robotic. I deducted one star because the stand angle is fixed, but overall it's a great purchase for the price.
Anonymous
Mar 11, 2026
Rating: 5/5
Best calculator I've owned
The combination of the large screen and the voice output makes complex calculations much less stressful. It's become an essential part of my daily workflow in the finance department.
Anonymous
Mar 10, 2026
Rating: 4/5
Great tool, slightly loud
I love the accuracy and the large buttons. My only complaint is that the volume cannot be adjusted, so it can be a bit loud in a quiet office environment. Otherwise, it's a solid calculator.
Q: Is the voice available in languages other than English?
A: No, this specific model (SJJF-1) only supports English voice pronunciation. Other models may support different languages.
Q: How large are the digits on the display?
A: The display features 12-digit capacity with extra-large characters designed for easy readability from a distance or for users with visual impairments.
Q: Can the voice volume be turned off or adjusted?
A: The volume can be toggled on or off using the dedicated switch on the side, but there is no intermediate volume adjustment setting.
Q: Does it have a memory function to store previous calculations?
A: Yes, it includes standard memory functions: Memory Plus (M+), Memory Minus (M-), Memory Recall (MR), and Memory Clear (MC).
Q: What type of battery does this calculator require?
A: It requires two AAA batteries, which are included in the package for initial setup. It also has a solar panel for auxiliary power.
Electric Watercolor Spray Pen Children Hand-painted Color Pa
$46.55
408 Fast-Drying Glue - Strong Low-Whitening Instant Adhesive for Metal and Plastic, Heat Resistant
$53.12
UE5.1-5.7 Ancient Sci-Fi Gate Model Instrument Consultation
$2.00
Biliansheng Hair Transplant - Non-Shave Female Hairline Restoration & Density Enhancement
$19,999.00
Water Brush Pen Set Large Capacity Beginner Gouache Solid Watercolor Paint Brush Tools Line Drawing Art Student
$32.00
Beginner Watercolor Painting Line Art Coloring Book, Hua Meng Lv Ren by Stan, Fine Texture, 2-Pack Free Shipping
$10.60
New Wanli Tire 265/45R21 SU306+ - Compatible with AITO M7, BYD Tang, Range Rover, Li Auto, and NIO
$528.00
Suzhou Factory Wholesale Chain Store Logo - RGB Illuminated Letters, Acrylic Neon Signs for Window and Counter Display
$1,911.00
RoHS 1.0 Environmental Tester for Alloy Analysis and Heavy Metal Detection in Plastic Toys
$15.30
Mont Marte Long-Handle Bristle Brush – Professional Art Brush for Acrylics, Oil Painting, and Flat Wash Techniques
$37,500.00
Portable Plastic Backpack Fertilizer Bucket for Manual Fruit Picking, Seed Feeding, and PPC Fertilization
$9.50
Chinese-Style Hand-Drawn Plant Line Art Coloring Book on 100% Cotton Watercolor Paper
$15.80
Eagle Brand 99021 Industrial Scouring Pads, Cleaning Cloths, and Polishing Pads Supply
$666.00
Pad Printing Machine Parts - Zhongke 4-Inch Blade Clamp, Blade Holder, and Doctor Blade Frame (In Stock)
$4.50
Pneumatic Throttle Valve Quick Connect Fitting SL4-01/4-02/4-03 Air Pressure Regulator Flow Control Valve
$8.60
Pad Printing Silicone Rubber Heads Electric Long Round Square Durable Customizable 30-Year Established Store
$3.00
Specialized Vegetable Growing Box - Foam Balcony Planter, Rectangular Plastic Pot for Home Gardening
$41.70
Candy Naoko Gujima Mr. Saxophone City Pop Sheet Music with Accompaniment Demo
$37.00
Multi-Color Detachable Water Bucket Stand - Office Purified Water Dispenser Holder (Inverted)
$60.95
Oil-Based Original Strong Fast-Drying Adhesive for Metal, Plastic, Rubber, Ceramics, and Wood, Multi-Purpose Transparent Glue (Not 502)
$21.60
Jay Chou - Feng BROTHER_CHAO Piano Accompaniment Sheet Music
$50.00
Toplip Automatic Retractable Air Hose Reel, Water Drum, High-Pressure Foam Drum for Pneumatic Tools and Auto Repair
$118.00
500L Yogurt Production Line - Stand-Up Pouch Filling Machine with Complete Dairy Processing Equipment and Fermentation Tank
$13,720.00
5A Grade Uruguay Natural Deep Purple Amethyst Loose Beads DIY Crystal Accessories Amethyst Loose Round Beads Semi-Finished
$1.20
Car Vacuum Cleaner - High Suction, Compact, Silent, and High-Power
$68.89
Fifty Seven-Character Quatrains in Wang Xizhi's Running Script Calligraphy
$67.00
Food-Grade Square Retainer Storage Case for Orthodontic Aligners and Dentures
$6.72
365-Day Electric Guitarist Training Plan by Toshiro Miyako – Rock Electric Guitar Chinese Tutorial
$53.00
Portable Invisible Aligner Case - Compact Breathable Box for Orthodontic Retainers, Dentures, and Cleaning Storage
$18.80
Makeup Room Shelf Triangle Bathroom Corner Storage Rack No-Drill Wall-Mounted Vanity Organizer
$23.82
![[10 Boxes] M&G Staples 24/6 Universal No. 12 Stapler Pins, Uniform Binding Nails, Office Stationery, Small Stainless Steel Staples](https://www.gosteppe.com/cache/medium/product/393106/legacy-main-d2d0aeb221cb42ffcbb9d83a.webp)
![[Customizable] Blank DIY Bookmarks - Thickened Hard Cardstock in Multiple Sizes with Tassels for Kindergarten and Elementary Art, Calligraphy, and Reading Gifts](https://www.gosteppe.com/cache/medium/product/386159/legacy-main-05a2e5e73e5ac60017fbef5e.webp)
