Compare Sennheiser CX 400BT 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)
Colors
White / Gray
Drivers
Sennheiser 7mm dynamic driver
1.34cm dynamic
Sennheiser 7mm dynamic driver
Form Factor
True Wireless Headphones
Headphone Type
In-ear, closed
Dynamic headphones
In-ear, closed
Dimensions
Size | Depth
18.81 mm
Size | Height
37.89 mm
Size | Width
16.13 mm
Weight
2x 6g (earbud) + 37g (charging case)
4.7 g
2x 6g (earbud) + 37g (charging case)
Function
Bluetooth Codecs
SBC, AAC, aptX
SBC, AAC, aptX
Bluetooth Profiles
A2DP, AVRCP, HSP, HFP
A2DP, AVRCP, HSP, HFP
Fast Charging
10 mins for 10 hours (charging box+earbuds) / 10 mins for 2 hours play time for the earbuds
Weather Resistance
IPX4
Performance
Battery Life
7 h with earbuds, 20 h with charging case
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
1.5 h
80 mins
1.5 h
Frequency Response
5 Hz - 21 kHz
20Hz - 20kHz
5 Hz - 21 kHz
Microphone Frequency Response
100 Hz - 10 kHz
100 Hz - 10 kHz
Microphone Sensitivity
-38 dB ± 2dB
Sensitivity
97 dB ± 3dB
Production
Availability
2020-09-15
2020-09-15
Debut
2020-09-01
2020-07
2020-09-01
Model Name
E501A
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