Compare Sennheiser CX 400BT vs Samsung Galaxy Buds2
Connectivity
Ports
USB-C
USB-C
Wireless Connectivity
Bluetooth 5.1
Bluetooth 5.2
Construction
Battery | Capacity
61 mAh
Colors
Olive, Graphite, Lavender, White
Drivers
Sennheiser 7mm dynamic driver
2-way Dynamic Drivers
Form Factor
In-ear true wireless headphones
Headphone Type
In-ear, closed
Dynamic headphones
Microphone
3 mics (2 outer + 1 inner)
Dimensions
Size | Depth
21.1 mm
Size | Height
20.9 mm
Size | Width
17.0 mm
Weight
2x 6g (earbud) + 37g (charging case)
5 g
Function
Bluetooth Codecs
SBC, AAC, aptX
Bluetooth Profiles
A2DP, AVRCP, HSP, HFP
A2DP, AVRCP, HFP
Compatibility
Android 7.0 or higher
Noise Cancellation
ANC, cutting external background noise by up to 98%
Sensor
Accelerometer, Gyro, Proximity, Hall, Touch, Voice Pickup Unit (VPU)
Performance
Battery Life
7 h with earbuds, 20 h with charging case
5 hours / Total 18 hours Play time; 4 hours / Total 14.5h Talk time
Charging Time
1.5 h
Frequency Response
5 Hz - 21 kHz
Microphone Frequency Response
100 Hz - 10 kHz
Production
Availability
2020-09-15
Debut
2020-09-01
2021-08-11
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