Compare Bose QuietComfort vs OnePlus Buds vs Sennheiser CX 400BT
Connectivity
Ports
USB-C
USB-C
USB-C
Wireless Connectivity
Bluetooth 5.1
Bluetooth 5.0
Bluetooth 5.1
Wireless Range
10 m
Construction
Battery | Capacity
35mAh (earbud) x2 + 420mAh (charging box)
Cable
30 cm
Colors
Triple Black, Soapstone
White / Gray
Drivers
1.34cm dynamic
Sennheiser 7mm dynamic driver
Form Factor
True Wireless Headphones
Headphone Type
Dynamic headphones
In-ear, closed
Microphone
4 total microphones
Dimensions
Size | Depth
1.06 inch
18.81 mm
Size | Height
1.54 inch
37.89 mm
Size | Width
1.02 inch
16.13 mm
Weight
8.6 g
4.7 g
2x 6g (earbud) + 37g (charging case)
Function
Bluetooth Codecs
SBC, AAC
SBC, AAC, aptX
Bluetooth Profiles
A2DP, AVRCP, HSP, HFP
Fast Charging
15 minutes for 2 h
10 mins for 10 hours (charging box+earbuds) / 10 mins for 2 hours play time for the earbuds
Weather Resistance
IPX4
IPX4
Wireless Charging
Qi certified wireless charging pad
Performance
Battery Life
Up to 6 h + 2 charges = 18 h
Up to 7 hours (music playback) / 4 hours (phone call) / Up to 30 hours music playback (w/ charging box)
7 h with earbuds, 20 h with charging case
Charging Time
2 h
80 mins
1.5 h
Frequency Response
20Hz - 20kHz
5 Hz - 21 kHz
Microphone Frequency Response
100 Hz - 10 kHz
Microphone Sensitivity
-38 dB ± 2dB
Sensitivity
97 dB ± 3dB
Production
Availability
2020-09-15
Debut
2020-09-10
2020-07
2020-09-01
Model Name
E501A
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