Product comparison · 2 headphones

Lenovo ADAPT 360 vs Lenovo ADAPT 661

28specifications compared
11differ
17identical
20known for one product only

Key differences

Recommended usage
- ADAPT 360:Office/Call center
- ADAPT 661:Calls/Music
Ear coupling
- ADAPT 360:Supraaural
- ADAPT 661:Circumaural
Headphone frequency
- ADAPT 360:18 - 22000 Hz
- ADAPT 661:17 - 23000 Hz
Total Harmonic Distortion (THD)
- ADAPT 360:0.3%
- ADAPT 661:0.5%
Microphone frequency
- ADAPT 360:80 - 8000 Hz
- ADAPT 661:150 - 6800 Hz
Number of microphones
- ADAPT 360:2
- ADAPT 661:3
Continuous audio playback time
- ADAPT 360:46 h
- ADAPT 661:30 h
Battery recharge time
- ADAPT 360:2.5 h
- ADAPT 661:3 h

Side by side

Differences highlightedShow differences only

Comparison of ADAPT 360, ADAPT 661
48 specifications	A Lenovo ADAPT 360 View product	B Lenovo ADAPT 661 View product
Performance1 differ
Recommended usageDiffers	Office/Call center	Calls/Music
Control typeKnown for one	Unknown — not stated by the source	Touch
Sound pressure level (max)Known for one	Unknown — not stated by the source	118 dB
Works with Amazon AlexaKnown for one	Unknown — not stated by the source	Yes
Ports & interfacesidentical
USB connectivityKnown for one	Yes	Unknown — not stated by the source
Bluetooth profilesKnown for one	A2DP, AVRCP, HFP, HSP, SBC	Unknown — not stated by the source
Frequency bandKnown for one	2.402 - 2.48 GHz	Unknown — not stated by the source
Headphones3 differ
Ear couplingDiffers	Supraaural	Circumaural
Acoustic systemKnown for one	Closed	Unknown — not stated by the source
Headphone frequencyDiffers	18 - 22000 Hz	17 - 23000 Hz
Headphone sensitivityKnown for one	108 dB	Unknown — not stated by the source
Noise cancelingKnown for one	Yes	Unknown — not stated by the source
Total Harmonic Distortion (THD)Differs	0.3%	0.5%
Microphone2 differ
Microphone frequencyDiffers	80 - 8000 Hz	150 - 6800 Hz
Microphone direction typeKnown for one	Omnidirectional	Unknown — not stated by the source
Number of microphonesDiffers	2	3
MEMS (Micro-Electro-Mechanical System) microphoneKnown for one	Unknown — not stated by the source	Yes
Battery3 differ
Continuous audio playback timeDiffers	46 h	30 h
Talk timeKnown for one	39 h	Unknown — not stated by the source
Battery recharge timeDiffers	2.5 h	3 h
Standby timeDiffers	1499 h	360 h
Battery technologyKnown for one	Unknown — not stated by the source	Lithium
Charging sourceKnown for one	Unknown — not stated by the source	USB
Operational conditionsidentical
Operating temperature (T-T)Known for one	40 - 10 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-20 - 60 °C	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	238 g	227 g
Packaging content1 differ
Wireless receiver interfaceKnown for one	USB Type-A	Unknown — not stated by the source
Cables includedDiffers	Audio (2.5mm), Audio (3.5mm), USB Type-A to USB Type-C	Audio (3.5mm), USB Type-C to Micro-USB Type-B
PouchKnown for one	Yes	Unknown — not stated by the source
Carrying caseKnown for one	Unknown — not stated by the source	Yes
Supplier featuresidentical
Charging timeKnown for one	150 min	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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