Compare Sennheiser CX 400BT vs Ultimate Ears FITS vs Apple AirPods 3
Connectivity
Ports
USB-C
USB-C
MagSafe or Lightning
Wireless Connectivity
Bluetooth 5.1
Bluetooth 5.0
Bluetooth 5.0
Construction
Carrying Case
Charging case
Colors
Grey, Lilac, Midnight Blue
Drivers
Sennheiser 7mm dynamic driver
10 mm
High-excursion Apple driver
Form Factor
True Wireless Earphones, Dynamic Headphones
Headphone Type
In-ear, closed
Microphone
Yes
Dual beamforming microphones
Dimensions
Size | Depth
0.76 inch (19.21 mm)
Size | Height
1.21 inches (30.79 mm)
Size | Width
0.72 inch (18.26 mm)
Weight
2x 6g (earbud) + 37g (charging case)
0.15 ounce (4.28 grams)
Function
Audio
Spatial audio with dynamic head tracking, Adaptive EQ
Bluetooth Codecs
SBC, AAC, aptX
SBC, AAC, APT-X
Bluetooth Profiles
A2DP, AVRCP, HSP, HFP
Fast Charging
10 min of charge for 60 min of listening
5 minutes in the case provides around 1 hour of listening time
Noise Cancellation
No
Processor
H1 headphone chip
Sensor
Skin-detect sensor, Motion-detecting accelerometer, Speech-detecting accelerometer, Force sensor
Weather Resistance
Sweat Resistant / IPX3
IPX4
Wireless Charging
Qi
Performance
Battery Life
7 h with earbuds, 20 h with charging case
8 hours / 20 h with charging case
6 h listening, 4 h talk / 30 h listening, 20 h talk with charging case
Charging Time
1.5 h
Frequency Response
5 Hz - 21 kHz
20 Hz - 20 kHz
Max Sound Level
110 db at 500 Hz
Microphone Frequency Response
100 Hz - 10 kHz
Production
Availability
2020-09-15
Debut
2020-09-01
2020-10-01
2021-10-18
Made In
USA
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