Compare Logitech Zone True Wireless vs Razer Hammerhead True Wireless Pro vs Sennheiser CX 400BT
Connectivity
Ports
[Case] USB-C | [Receivers] USB-A, USB-C
USB-C
USB-C
Wireless Connectivity
Bluetooth 5.0
Bluetooth 5.1
Bluetooth 5.1
Wireless Range
30 m
Construction
Colors
Black, Rose
Drivers
10mm
Sennheiser 7mm dynamic driver
Form Factor
In-ear, True Wireless Earbuds
In-ear
Headphone Type
Dynamic headphones
In-ear, closed
Microphone
Omni-directional, dual MEMS mics array, 3 per earbud
Dimensions
Size | Depth
26.3 mm
Size | Height
15.9 mm
Size | Width
27.4 mm
Weight
13 g
5 g
2x 6g (earbud) + 37g (charging case)
Function
Bluetooth Codecs
SBC, AAC
SBC, AAC, aptX
Bluetooth Profiles
A2DP, AVRCP, HSP, HFP
Fast Charging
5 min for 2 hours of music / 1h 20min of talk
Microphone Pickup Pattern
Omnidirectional
Noise Cancellation
Active Noise Cancellation
Weather Resistance
IP68
Wireless Charging
Qi Wireless charging
Performance
Battery Life
Talk: 6h (ANC on) / 6.5h (ANC off), Listen: 9h (ANC on) / 12h (ANC off) + 2.5x from Charging Case
4h per charge, up to 20h total
7 h with earbuds, 20 h with charging case
Charging Time
2h 45min
1.5 h
Frequency Response
20H ~ 20kHz
20Hz - 20kHz
5 Hz - 21 kHz
Impedance
16 ohms
Microphone Frequency Response
100Hz ~ 8kHz
100Hz - 10kHz
100 Hz - 10 kHz
Microphone Sensitivity
-42 dB
Production
Availability
2020-09-15
Debut
2021-08-03
2020-12-03
2020-09-01
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