Product comparison · 2 headphones

Lenovo 4XD1M39028 headphones/headset Wired Head-band USB Type-C Black vs Lenovo GXD1B65027 headphones/headset Wireless In-ear Calls/Music/Sport/Everyday Bluetooth Grey

24specifications compared
19differ
5identical
26known for one product only

Key differences

Product type
- 4XD1M39028 headphones/headset Wired Head-band USB Type-C Black:Headset
- GXD1B65027 headphones/headset Wireless In-ear Calls/Music/Sport/Everyday Bluetooth Grey:Headphones
Wearing style
- 4XD1M39028 headphones/headset Wired Head-band USB Type-C Black:Head-band
- GXD1B65027 headphones/headset Wireless In-ear Calls/Music/Sport/Everyday Bluetooth Grey:In-ear
Product colour
- 4XD1M39028 headphones/headset Wired Head-band USB Type-C Black:Black
- GXD1B65027 headphones/headset Wireless In-ear Calls/Music/Sport/Everyday Bluetooth Grey:Grey
Cable length
- 4XD1M39028 headphones/headset Wired Head-band USB Type-C Black:1.785 m
- GXD1B65027 headphones/headset Wireless In-ear Calls/Music/Sport/Everyday Bluetooth Grey:1 m
Cable colour
- 4XD1M39028 headphones/headset Wired Head-band USB Type-C Black:Black
- GXD1B65027 headphones/headset Wireless In-ear Calls/Music/Sport/Everyday Bluetooth Grey:Grey
Connectivity technology
- 4XD1M39028 headphones/headset Wired Head-band USB Type-C Black:Wired
- GXD1B65027 headphones/headset Wireless In-ear Calls/Music/Sport/Everyday Bluetooth Grey:Wireless
Ear coupling
- 4XD1M39028 headphones/headset Wired Head-band USB Type-C Black:Supraaural
- GXD1B65027 headphones/headset Wireless In-ear Calls/Music/Sport/Everyday Bluetooth Grey:Intraaural
Impedance
- 4XD1M39028 headphones/headset Wired Head-band USB Type-C Black:2200 Ω
- GXD1B65027 headphones/headset Wireless In-ear Calls/Music/Sport/Everyday Bluetooth Grey:32 Ω

Side by side

Differences highlightedShow differences only

Comparison of 4XD1M39028, GXD1B65027
50 specifications	A Lenovo 4XD1M39028 headphones/headset Wired Head-band USB Type-C Black Model 4XD1M39028 View product	B Lenovo GXD1B65027 headphones/headset Wireless In-ear Calls/Music/Sport/Everyday Bluetooth Grey Model GXD1B65027 View product
Performance6 differ
Product typeDiffers	Headset	Headphones
Wearing styleDiffers	Head-band	In-ear
Recommended usageKnown for one	Unknown — not stated by the source	Calls/Music/Sport/Everyday
Headset type	Binaural	Binaural
Product colourDiffers	Black	Grey
Colour nameKnown for one	Unknown — not stated by the source	Cloud Grey
Operating keysKnown for one	Unknown — not stated by the source	Mute, Volume +, Volume -
Control type	Buttons	Buttons
Cable lengthDiffers	1.785 m	1 m
Cable colourDiffers	Black	Grey
CertificationDiffers	CB, CE, FCC, ICES, RCM, KCC	TUV/CB, CE/RED, CEC, DOE, Nrcan IC, FCC, JRF, KCC
Volume controlKnown for one	Button	Unknown — not stated by the source
Control unit typeKnown for one	In-line control unit	Unknown — not stated by the source
Ports & interfaces1 differ
Connectivity technologyDiffers	Wired	Wireless
BluetoothKnown for one	Unknown — not stated by the source	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	5.0
Wireless rangeKnown for one	Unknown — not stated by the source	10 m
USB connectivityKnown for one	Yes	Unknown — not stated by the source
USB connectorKnown for one	USB Type-C	Unknown — not stated by the source
Headphones5 differ
Ear couplingDiffers	Supraaural	Intraaural
Headphone frequency	20 - 20000 Hz	20 - 20000 Hz
ImpedanceDiffers	2200 Ω	32 Ω
Headphone sensitivityDiffers	86 dB	110 dB
Magnet typeKnown for one	Unknown — not stated by the source	Neodymium
Driver unitDiffers	3.2 cm	1.3 cm
Total Harmonic Distortion (THD)Differs	5%	3%
Microphoneidentical
Microphone type	In-line	In-line
Microphone noise-cancelingKnown for one	Yes	Unknown — not stated by the source
Batteryidentical
Battery capacityKnown for one	Unknown — not stated by the source	100 mAh
Input voltage (earpieces)Known for one	Unknown — not stated by the source	5 V
Continuous audio playback timeKnown for one	Unknown — not stated by the source	10 h
Battery recharge timeKnown for one	Unknown — not stated by the source	1.5 h
Standby timeKnown for one	Unknown — not stated by the source	100 h
Operational conditions1 differ
Operating temperature (T-T)Differs	-20 - 70 °C	0 - 40 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	0.2 - 95 °C
Weight & dimensions1 differ
WeightDiffers	137 g	25 g
Packaging data4 differ
Package widthDiffers	191 mm	235 mm
Package depthDiffers	228 mm	134 mm
Package heightDiffers	75 mm	40 mm
Package weightDiffers	396.5 g	156 g
Package type	Box	Box
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	No
Audio adapters includedKnown for one	USB	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Poweridentical
USB Type-C charging portKnown for one	Unknown — not stated by the source	No
Technical details1 differ
Warranty periodDiffers	2 year(s)	1 year(s)
Other featuresidentical
Packaging contentKnown for one	Unknown — not stated by the source	Lenovo 500 Bluetooth In-ear Headphones Buggy Bag Shark Fins EarGels USB Charging cable Setup Poster Warranty Poster
System requirementsidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Mac operating systems supportedKnown for one	Yes	Unknown — not stated by the source

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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