Compare Huawei FreeBuds 4 vs Razer Hammerhead True Wireless Pro vs Panasonic RZ-S300W
Connectivity
Ports
USB-C
USB-C
Wireless Connectivity
Bluetooth 5.2
Bluetooth 5.1
Bluetooth 5.0
Wireless Range
10 m
Construction
Battery | Capacity
30 mAh Earbud + 410 mAh Charging Case
Colors
Silver Frost, Ceramic White
Drivers
14.3 mm dynamic
10mm
6 mm
Form Factor
In-ear
Headphone Type
In-ear
Magnet
Neodymium
Microphone
Yes
MEMS Mic
Dimensions
Size | Depth
18.5 mm
17 mm
Size | Height
41.4 mm
28 mm
Size | Width
16.8 mm
17 mm
Weight
4.1 g
5 g
4 g
Function
Bluetooth Codecs
SBC, AAC
SBC, AAC
Bluetooth Profiles
A2DP, AVRCP, HSP, HFP
Fast Charging
15 min for 2.5 hours
15 minutes for 90 minutes play time
Microphone Pickup Pattern
Omnidirectional
Noise Cancellation
Active
No
Sensor
Wear detection sensor
Weather Resistance
IPX4
IPX4
Performance
Battery Life
4h ANC off / 2.5h ANC on earbuds / 22h ANC off / 14h ANC off w/ charging case
4h per charge, up to 20h total
7.5 h / 30 h (with Charging Cradle)
Charging Time
1h
2 h
Frequency Response
20Hz - 20kHz
20Hz - 20kHz
Impedance
16 ohms
Microphone Frequency Response
100Hz - 10kHz
Microphone Sensitivity
-42 dB
Production
Debut
2021
2020-12-03
2020 CES
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