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Product comparison · 2 speakerphones

Dell Mobile Adapter Speakerphone- MH3021P vs Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black

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  • 13specifications compared
  • 11differ
  • 2identical
  • 34known for one product only

Key differences

The Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black has 1.535 m more cable length than the Dell Mobile Adapter Speakerphone- MH3021P (2 m vs 0.465 m). The Dell Mobile Adapter Speakerphone- MH3021P has 180 - 20000 Hz more frequency range than the Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black (200 - 20000 Hz vs 20 - 20000 Hz). The Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black has 3.5 mm more width than the Dell Mobile Adapter Speakerphone- MH3021P (122.5 mm vs 119 mm). Device type: Universal on the Dell Mobile Adapter Speakerphone- MH3021P, PC on the Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black. Product colour: Silver on the Dell Mobile Adapter Speakerphone- MH3021P, Black on the Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black.

  • Device type
    • Universal
    • PC
  • Product colour
    • Silver
    • Black
  • Cable length
    • 0.465 m
    • 2 m
  • Frequency range
    • 200 - 20000 Hz
    • 20 - 20000 Hz
  • Microphone frequency
    • 100 - 10000 Hz
    • 150 - 7000 Hz
  • Connectivity technology
    • Wired
    • Wired & Wireless
  • Width
    • 119 mm
    • 122.5 mm
  • Depth
    • 119 mm
    • 38.5 mm

Side by side

Differences highlightedShow differences only
47 specifications
A

Dell

Mobile Adapter Speakerphone- MH3021P

Model MH3021P

View product
B

Lenovo

4Y71Q47766 speakerphone PC Bluetooth Black

Model 4Y71Q47766

View product
Features4 differ
Device typeDiffersUniversalPC
AutoNoNo
Product colourDiffersSilverBlack
PortableKnown for oneYes
Noise cancelingKnown for oneYes
Cable lengthDiffers0.465 m2 m
LED indicatorsKnown for oneYes
On/off switchKnown for oneYes
International Protection (IP) codeKnown for oneIP54
Windows operating systems supportedDiffersWindows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 IoT Enterprise, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64Windows 10, Windows 11
Mac operating systems supportedKnown for oneYes
CertificationKnown for oneBQB, CB, FCC ID, IC ID, CE RED, JRF, VCCI, NBTC, SIRIM, SRRC, NTC, IMDA, BIS, RCM, OFCA, WPC
SpeakerphoneKnown for oneYes
Noise reductionKnown for oneYes
Echo cancellationKnown for oneYes
Plug and PlayKnown for oneYes
Compatible productsKnown for one- Latitude 5411 - Latitude 7300 - Latitude 3301 - Precision 5540 - Latitude 5410 - Latitude 3410 - Precision 3541 - Latitude 7310 - Precision 5550 - Precision 3540 - Vostro 13 5000 (5391) - Precision 7550 - Precision 7750 - Latitude 5500 - Precision 7540 - Latitude 5310 - XPS 15 (9500) - Precision 7
Loudspeakers1 differ
SensitivityKnown for one81 dB
Frequency rangeDiffers200 - 20000 Hz20 - 20000 Hz
ImpedanceKnown for one3 Ω
Microphone1 differ
Microphone frequencyDiffers100 - 10000 Hz150 - 7000 Hz
Number of microphonesKnown for one8
Ports & interfaces1 differ
InterfaceKnown for oneBluetooth
Connectivity technologyDiffersWiredWired & Wireless
BluetoothKnown for oneYes
Bluetooth versionKnown for one5.3
USB connector typeUSB Type-CUSB Type-C
USB 2.0 ports quantityKnown for one2
Poweridentical
Power source typeKnown for oneBattery
Battery life (max)Known for one12 h
Battery recharge timeKnown for one4 h
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 60 °C
Operating relative humidity (H-H)Known for one0 - 95%
Batteryidentical
Battery technologyKnown for oneLithium-Ion (Li-Ion)
Battery capacityKnown for one4215 mAh
Weight & dimensions4 differ
WidthDiffers119 mm122.5 mm
DepthDiffers119 mm38.5 mm
HeightDiffers32 mm122.5 mm
WeightDiffers214 g400 g
Packaging dataidentical
Package widthKnown for one172 mm
Package depthKnown for one161.5 mm
Package heightKnown for one77 mm
Package weightKnown for one740 g
Package typeKnown for oneBox
Displayidentical
Built-in displayKnown for oneNo
Packaging contentidentical
QuantityKnown for one1
Logistics dataidentical
Harmonized System (HS) codeKnown for one85182900

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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