Boult Audio Z40 True Wireless Earbuds vs Noise Buds VS501 True Wireless Earbuds

General

BrandBoultNoise
ModelAirbass Z40Buds VS501
Country of OriginChina
DesignTWS EarbudsTWS Earbuds
TypeIn the EarIn the Ear
ConnectivityWirelessWireless

Design and Body

Dimensions56.2 x 50.16 x 28.5 mm
Weight60 g (With Case)
FoldableNo

Features

BluetoothYes, 5.2Yes, 5.3
Bluetooth Range10 m10 m
USBYesYes
MicrophoneYesYes, Quad Mic With ENC
Voice AssistantYes, Google & Siri AssistantYes
Water ResistantYesYes
MonauralYesYes
ControlsTouch ControlTouch Control, ‎Voice
Music ControlsSong Change, Play/Pause SongsPause/Play
Call ControlsCall Receive/Disconnect/RejectAccept/Reject Calls
Switch between Call and MusicYesYes
Additional FeaturesGame Mode, Equalizer Mode, IPX5 Water Resistant, Monopod Feature, Auto pairing FeatureIPX5 Rated, Low Latency, Dual Device Pairing, Hyper Sync, USB Type C Charging, LED Battery Indicator

Sound Features

Deep BassYesYes
Impedance16 ohm
Sensitivity114 dBmW
Frequency Response20 Hz (Min) - 20 kHz (Max)20 Hz (Min) - 20 kHz (Max)
Driver Unit10 mm10 mm
Driver TypeDynamicDynamic
Environmental Noise CancellationYesYes
Other FeaturesBoomX Tech, Audio Codec - SBS, AAC

Extra

Sales Package1 Pair of Earbuds with Charging Case, Extra Pair of Eartips, Charging Cable, User Manual, Warranty Card1 Pair of Earbuds with Charging Case, Charging Cable, User Manual, Warranty Registration Card
Inline RemoteYes
Magnet TypeNeodymium
OtherZEN ENC Technology, BoomX Technology, Blink and Pair Technology, Lightning Boult Type-C Fast Charge

Power Features

BatteryLithium Polymer
Battery Life60 hours (With Case)50 hours (With Case)
7 hours (Earbuds)
Charging Time1.5 hours (Case)
Stand-by Time120 hours

Warranty

Warranty1 year, Warranty from the Date of Purchase1 year, Brand Warranty
Warranty TypeManufacturerManufacturer
Covered in WarrantyManufacturing DefectsManufacturing Defects
Not Covered in WarrantyPhysical DamagePhysical Damage
Warranty Service TypeRepair

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