6820 Stylish flip phone for clear conversations Black/white Features: Hear more thanks to loud and clear sound See more on the large, easy to read display Feel more secure with assistance button Specifications: Top 4G Assistance button Camera resolution (megapixel) 2MP Easy to read display Email No GPS No HAC (hearing aid compatible) Loud and clear sound Speakerphone Step-by-step tutorial Talking keys Visual ring indicator Torch OS Mocor OS Main Firmware over-the-air updates (FOTA) ICE (In Case of Emergency) Wake up alarm Weather function Internet Bookmarks No Facebook No Twitter No Web browser No Camera Autofocus No Camera flash Image viewer Magnifer function No Video recording Memories Call log positions 60 Internal Storage 17.3MB One press alarm dial-up One touch memories Camera, messaging Phonebook positions >500 Black list phone numbers Handset unit display Adjustable font size Backlit display Big display text Colour display Contrast adjustment Customisable wallpaper Display size (H x W mm) 43.2*57.6 Optional display modes optimised for visually impaired users Resolution (H x W pixels) 320x240QVGA Touch display No Base unit display Backlit display Big display font SMS MMS SMS SMS key Sounds & Signals Polyphonic ringtones 21 Ringer off setting Ringer volume settings except off 9 Vibrating ringer Acoustics Boost protection No HD voice certified Hearing Aid Compatibility Rating M4/T4, M4/T4 Maximum receiving amplification (dB) 35 Maximum ringer volume (dB(A) at 1 metre >83 Microphone mute Speaker phone volume settings 9 Tone control Volume settings 9 Ergonomics Handset size (mm) 107x56x20mm Handset weight including batteries (g) 117 Handset weight including batteries (oz) 117 Cables & Connections Headset outlet (3.5mm) Powering handset unit AC Adapter spec V/mA 5V 550mA A31A Cat VI HF and UK Tenpao HF Battery included (type) Lithium-ion Low battery warning Talk time (up to hours) 7 Technology 3G (Bands) UMTS Band 1 (2100) & 8 (900) 3G data rate HSUPA : Category 6 5.7Mbps / HSDPA : Category 12 21Mbps Bluetooth® Bluetooth® version 5.0 Chipset Unisoc UMS9117 GSM (band) Euro tripleband GSM 900/1800/1900 LTE (4G) Cat 4 VoLTE, Band FDD 1, 3, 7, 8, 20, 28 TDD 38 Prepare PCB for B2 Memory card type Micro SD (max 128GB) Micro-SIM (3FF) VCard support SAR (head) 0.931 SAR (body) 1.463 SAR (limbs) 2.947 GPS Compass No Accessories Remote alarm key support No