Compare Sennheiser CX 400BT vs LG HBS-FN4
Connectivity
Ports
USB-C
USB-C
Wireless Connectivity
Bluetooth 5.1
Bluetooth 5.0
Construction
Battery | Capacity
2x 55 mAh (earbuds) + 390 mAh (charging case)
Colors
Black, White
Drivers
Sennheiser 7mm dynamic driver
Headphone Type
In-ear, closed
Microphone
2 pairs
Dimensions
Size | Depth
16.1 mm
Size | Height
32.77 mm
Size | Width
25.0 mm
Weight
2x 6g (earbud) + 37g (charging case)
5.4 g
Function
Bluetooth Codecs
SBC, AAC, aptX
SBC / AAC
Bluetooth Profiles
A2DP, AVRCP, HSP, HFP
Fast Charging
5 min for 1 h of play
Weather Resistance
IPX4 (splash)
Performance
Battery Life
7 h with earbuds, 20 h with charging case
5 h (talk) / 6 h (play) / 18 h (earbuds + case)
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
2020-06
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