What is the battery capacity?

The device is equipped with a built-in 2100mAh lithium polymer battery.

Is the battery removable?

No, the battery is built-in and not removable.

What network bands are supported?

It supports 2G GSM 900/1800MHz, 3G, and 4G networks.

Senior Doov R77c 2.8" Big Font Keypad Phone Android 13 Simple GPS

Name: Senior Doov R77c 2.8" Big Font Keypad Phone Android 13 Simple GPS
Brand: Shenzhen Connectech Technology Co., Ltd.
SKU: 2209580985

Guangdong, ChinaShenzhen Connectech Technology Co., Ltd.

US$61.80

10-99 Pieces

US$57.40

100-999 Pieces

US$55.20

1,000-2,999 Pieces

US$52.60

3,000+ Pieces

Sample price:US$64.00/piece.Request sample

Product profile

Customization

Available

Network Standard

4G, 3G, GSM

Style

Smart Mobile Phone, Business Mobile Phone, Camera Mobile Phone, Music Mobile Phone, Elderly Mobile Phone, Game Mobile Phone

Model NO.

R77C

Screen Size

2.6-3.0"

CPU

Octa Core

Operation System

Android

SIM Card Slot

2 SIM

Front Camera Pixel

0.3MP-2MP

Rear Camera Pixel

3.01MP-5MP

RAM Capacity

3GB

ROM Capacity

32GB

Main Screen Resolution

640*480px

Battery Capacity

2001mAh-3000mAh

Removable Battery

Screen Material

IPS

Data interface

Type-C

Design

Bar

Storage Expansion

Supported

Weight

115g (Including Battery)

Material

Metal+Plastic

Screen

2.8 Inch High Definition IPS Capacitive Touch Scre

Processor

Mediatek Mt6762 Octa Core, up to 2.0GHz; GPU: Im

Speaker

1511 K-Class Box Speaker, 1W

Keys

21 Keys

Sensor

Gravity Sensor

WiFi

IEEE 802 a/B/G/N/AC, Support 2.4GHz/5GHz Dual-Band

Bt

V4.1

Gnss

Support GPS/a-GPS/Beidou

SIM Slots

*2 (Nano+Nano or Nano+TF)

Specification

133.2*54.2*9.5mm

Trademark

DOOV

Origin

China

HS Code

85171300

Production Capacity

50000 Pieces/Year

Key features

Android 13 Operating System: Runs on the latest Android 13 OS for enhanced performance and app compatibility.

Dual SIM Support: Features 2 SIM slots (Nano+Nano or Nano+TF) for flexible connectivity options.

High Definition IPS Screen: 2.8-inch IPS capacitive touch screen with 640*480px resolution for clear display.

Powerful Octa-Core Processor: Mediatek MT6762 octa-core processor up to 2.0GHz with 3GB RAM and 32GB ROM.

Dual Camera System: Equipped with 2MP front camera and 5MP AF rear camera with flashlight.

Long Battery Life: Built-in 2100mAh lithium polymer battery ensures extended usage time.

Multi-Band WiFi & GPS: Supports 2.4GHz/5GHz dual-band WiFi and GPS/a-GPS/Beidou navigation.

OEM/ODM Expertise: Professional supplier with SGS verification and CE, RoHS, FCC certifications.

Company profile

Fast DeliveryQuality AssuranceR&D CapabilitiesProduct Certification

Shenzhen Connectech Technology Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2011-03-08Nearest Port: Yantian, HongkongAverage Response Time: ≤6.27hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CIF, DDP, CIP, CPT, FCA, EXW, CFR, DAP

AI-Powered supplier vetting

SummaryShenzhen Connectech Technology Co., Ltd. is identified as a manufacturer/factory in Shenzhen, China, focused on mobile smart terminals and consumer electronics. The supplier reports three production lines, 11–20 R&D engineers, 11–20 quality-control staff, and stated annual outputs of 3,000,000 mobile phones plus 50,000 units each of tablet PCs, smart walkie-talkies, and handheld PDAs. It reports ISO 9001 certification and multiple product-related certifications, including CE, FCC, and RoHS. Evidence supports production scale, relevant technical focus, and international market exposure, with exports to more than 50 countries and regions. However, the provided information does not sufficiently establish after-sales processes, customization execution, detailed financial credibility, or named customer case outcomes.

Supplier typeThe supplier is explicitly identified as a manufacturer/factory and limited company based in Shenzhen, Guangdong, China. Its stated business focuses on research, development, production, and sales of mobile smart terminals.

CertificationsThe supplier reports ISO 9001 certification and states that its products have obtained CE, FCC, RoHS, appearance patents, software copyrights, explosion-proof certification, and GSMA-related certifications. These claims indicate documented quality-system and product-compliance coverage, although the provided slices do not include certificate numbers or validity dates.

R&D capabilityThe supplier reports 11–20 years of total R&D-engineer experience, describes itself as a national high-tech enterprise focused on mobile smart terminals, and states that it continuously innovates to meet diverse customer needs. Its product and intellectual-property claims further support innovation activity, although no specific R&D spending, patent count, or development timeline is provided.

Production capacityThe supplier reports three production lines, 11–20 quality-control staff, and stated output of 3,000,000 mobile phones plus 50,000 units each of tablet PCs, smart walkie-talkies, and handheld PDAs. It also describes automated equipment, intelligent manufacturing, an efficient production line, and ISO 9001 implementation, providing explicit evidence of established production and quality-control capacity.