Sennheiser Accentum Open True Wireless Earbuds vs Sennheiser HD 450BT Wireless Headphones

General

BrandSennheiserSennheiser
ModelAccentum OpenHD 450BT
Country of OriginChina
DesignTWS EarbudsHeadphone
TypeOpen EarOver the Ear
ConnectivityWirelessWireless
Designed ForMobiles, Audio Player

Design and Body

Dimensions232 x 100 x 195 mm
Weight38 g (With Case), 4.4 g Per Earbud238 g
FoldableYes

Features

BluetoothYes, 5.3Yes, 5.0
Bluetooth Range10 m
USBYesYes
MicrophoneYes, Dual-Beamforming MicrophonesYes
Voice AssistantYes
Water ResistantYes
MonauralYes
ControlsTouch ControlsIntuitive Controls
Music ControlsPause/Play
Switch between Call and MusicYes
Additional FeaturesIPX4 Rated, Open Design, USB-C Charging Case, Multipoint ConnectivityLow Latency, USB-C Charging, Multi Connectivity

Sound Features

Deep BassYes
Sensitivity‎109 dB108 dB
Frequency Response18 Hz (Min) - 22 kHz (Max)
Driver Unit11 mm
Driver TypeDynamic
Other FeaturesDynamic Sound

Extra

Sales PackageEarbuds, Charging Case, USB-C Charging Cable, Quick Start Guide1 Headphone, Audio Cable, Charging Cable, Carry Case, Quick Guide, Safety Guide
Inline RemoteYes

Power Features

Battery‎Lithium Ion, 10 Minutes of Charging = 1.5 Hours of PlaytimeLithium-ion
Battery Life28 hours (With Case)
6.5 hours (Earbuds)
30 hours
Charging Time2 hours

Warranty

Warranty3 years2 years
Warranty TypeManufacturerManufacturer
Covered in WarrantyManufacturing Defect
Not Covered in WarrantyPhysical Damage

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