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Bluetooth - Basics, Speakers


Smart Phones

APPLE iPhone 13: Mini: Pro: Pro max



Size: 6.1 inches
Resolution: 2532 x 1170 pixels, 19.5:9 ratio, 457 PPI
Technology: OLED
Refresh rate: 60Hz
Screen-to-body: 87.24 %
Peak brightness: 1200 cd/m2 (nit)
Features: HDR support, Oleophobic coating, Scratch-resistant glass (Ceramic Shield), Ambient light sensor, Proximity sensor

System chip: Apple A15 Bionic (5 nm)
Processor: Hexa-core, 64-bit
GPU: Yes
RAM: 4GB
Internal storage: 128GB, 256GB, 512GB, 1TB (not expandable)
Device type: Smartphone
Cost: $700 - $1,600
OS: iOS (15.x)

Battery
Capacity: 3227 mAh
Type: Li - Ion, Not user replaceable
Charging: USB Power Delivery, Qi wireless charging, MagSafe wireless charging
Max charge speed: Wired: 20.0W; Wireless: 15.0W

Camera
Rear: Dual camera
Main camera: 12 MP (OIS, PDAF)
Specifications: Aperture size: F1.6; Focal length: 26 mm; Sensor size: 1/1.9''
Second camera: 12 MP (Ultra-wide)
Specifications: Aperture size: F2.4; Focal Length: 13 mm

Video recording: 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (30 fps)
Features: OIS, HDR, Time-lapse video, Continuous autofocus, Picture-taking during video recording, Video light
Front: 12 MP (Time-of-Flight (ToF), EIS, HDR, Slow-motion videos)
Video capture: 3840x2160 (4K UHD) (60 fps)

Cellular
5G: n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n48, n66, n71, n77, n78, n79, n258, n260, n261

LTE (TDD): Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500), 46, 48(3600)
UMTS: Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900)
Data Speed: LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
Dual SIM: Yes
SIM type: Nano SIM, eSIM
HD Voice: Yes
VoLTE: Yes

Headphones: No 3.5mm jack, (Lightning port)
Fingerprint: No
Speakers: Earpiece, Loudspeaker
Features: Dolby Atmos
Screen mirroring: Wireless screen share
Additional microphone(s): for Noise cancellation

Connectivity & Features
Bluetooth: 5.0
Wi-Fi: 802.11 a, b, g, n, ac, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot
USB: Lightning
Features: Charging, Headphones port
Location: GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, Cell ID, Wi-Fi positioning
Sensors: Accelerometer, Gyroscope, Compass, Barometer
Other: NFC (near field communication), UMA (Wi-Fi Calling)
Hearing aid compatible: M3, T4

Officially announced: Sep 14, 2021

Carrier Availability

Verizon

AT&T

T-Mobile
U.S. Cellular
Metro by T-Mobile
Cricket



SAMSUNG GALAXY S22: Plus: Ultra



Display
Size: 6.1 inches
Resolution: 2340 x 1080 pixels, 19.5 ratio, 422 PPI
Technology: Dynamic AMOLED
Refresh rate: 120Hz
Screen-to-body: 88.57 %
Peak brightness: 1500 cd/m2 (nit)
Features: HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware
System chip: Qualcomm Snapdragon 8 Gen 1 SM8450 (4 nm)
Processor: Octa-core, 1x 3.00GHz Cortex-X2 + 3x 2.50GHz Cortex-A710 + 4x 1.80GHz Cortex-A510
GPU: Adreno 730
RAM: 8GB LPDDR5
Internal storage: 128GB, 256GB, 512GB, 1TB (UFS 3.1), (not expandable)
Device type: Smartphone
Cost: $800 - $1,400
OS: Android (12) snow cone, One UI UI

Battery
Capacity: 3700 mAh
Type: Not user replaceable
Charging: Fast charging, Qi wireless charging, Reverse wireless charging
Max charge speed: Wired: 25.0W; Wireless: 15.0W

Camera
Rear: Triple camera
Main camera: 50 MP (OIS, PDAF)
Specifications: Aperture size: F1.8; Focal length: 23 mm; Sensor size: 1/1.56"; Pixel size: 1.0 μm
Second camera: 10 MP (Telephoto, OIS)
Specifications: Optical zoom: 3.0x; Aperture size: F2.4; Focal Length: 69 mm; Sensor size: 1/3.94"; Pixel size: 1.0 μm
Third camera: 12 MP (Ultra-wide)
Specifications: Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Video recording: 7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
Front: 10 MP
Video capture: 3840x2160 (4K UHD) (60 fps)

Design
Dimensions: 5.75 x 2.78 x 0.30 inches (146 x 70.6 x 7.6mm)
Weight: 5.89 oz (168.0 g)
Materials: Back: Glass (Corning Gorilla Glass Victus); Frame: Aluminum
Resistance: Water, Dust; IP68
Biometrics: 2D Face unlock, Ultrasonic in-screen fingerprint
Keys: Left: Volume control, Lock/Unlock key
Colors: Phantom Black, White, Pink Gold, Green

Cellular
5G: n1, n2, n3, n5, n8, n20, n25, n28, n38, n40, n41, n66, n75, n77, n78, SA, NSA, Sub-6, mmWave
LTE (FDD): Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
LTE (TDD): Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
UMTS: Bands 2(1900), 3(1800), 5(850), 8(900)
Data Speed: LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type: Dual Nano SIM + eSIM

Multimedia
Headphones: No 3.5mm jack
Speakers: Earpiece, Multiple speakers
Screen mirroring: Wireless screen share
Additional microphone(s): for Noise cancellation

Connectivity & Features
Bluetooth: 5.2
Wi-Fi: 802.11 a, b, g, n, ac, ax (Wi-Fi 6); Wi-Fi Direct, Hotspot
USB: Type-C (reversible), USB 3.2
Features: Charging, OTG
Location: GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors: Accelerometer, Gyroscope, Compass, Barometer
Other: NFC


Officially announced: Feb 09, 2022

Carrier Availability

Verizon

AT&T


Samsung Galaxy S II

The Samsung Galaxy S line of smartphones is available on all four major USA wireless carriers, and on several regional carriers, and is an extremely successful line. The Samsung Galaxy S II takes the best of the Galaxy S line and improves it with a 4.3 inch Super AMOLED Plus display, dual-core 1 GHz processor, 8.49mm form factor, 21 Mbps HSPA+ support, Android 2.3 (Gingerbread) OS, 8 megapixel camera, integrated memory and microSD card, 802.11 a/b/g/n WiFi, Bluetooth 3.0, and more.



Apple iPhone 4


How to connect iPhone to TV

The iPhone 4 is available on both AT&T and Verizon. The iPhone 4 is one of the only smartphones available that you can trust will get you through the day on a single charge and this may be vitally important to some people while others are fine with carrying a second battery to pop in their Android device. Apple does a great job with industrial design and the iPhone 4 feels great in your hand. The display has amazing clarity with the 3.5 inch 960×640 pixel resolution. If apps are important to you then the iPhone 4 is the best choice for a smart phone.

The iPhone 4 is a 3G device with no capability for the faster AT&T or Verizon networks. The display is a bit small at 3.5 inches. You can buy the iPhone 4 for $199 (16GB) or $299 (32GB) from AT&T or Verizon with a two-year contract.



The following specification comparison between Samsung Galaxy S2 vs iPhone 4:

Physical Dimensions / Form Factor
• Galaxy S2: 125.3 x 66.1 x 8.49mm, 117g
• iPhone 4: 115.2 x 58.7 x 9.3mm, 137g

Screen size and quality
• Galaxy S2: 4:27-inch, 800x480px, Super Plus AMOLED
• iPhone 4: 3.5-inch, 960x640px, LCD with IPS

Processors
• Galaxy S2: 1GHz dual-core, 1GB RAM
• iPhone 4: Apple A4, 512MB

Camera
• Galaxy S2: 8MP rear, front 2MP, 1080p video capture
• iPhone 4: 5MP rear, front VGA, 720p video capture

Memory / Storage Data
• Galaxy S2: 16/32GB + microSD
• iPhone 4: 16/32GB

Battery
• Galaxy S2: 1650mAh
• iPhone 4: 1420mAh, Up to 10 hours video

Connectivity
• Galaxy S2: Wi-Fi, NFC, 4G, BT 3.0, DLNA, Wi-Fi tethering
• iPhone 4: Wi-Fi, BT 2.1, 3G

Software / OS
• Galaxy S2: Android 2.3 Gingerbread
• iPhone 4: IOS 4.2

Price
• Galaxy S2: Cheaper than the iPhone 4
• iPhone 4: More expensive than the average of other smartphones










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