Compare Huawei FreeBuds 4i 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
55 mAh Earbud + 215 mAh Charging Case
Colors
Red, Ceramic White, Carbon Black
Drivers
10 mm dynamic
10mm
6 mm
Form Factor
In-ear
Headphone Type
In-ear
Magnet
Neodymium
Microphone
Yes
MEMS Mic
Dimensions
Size | Depth
23.9 mm
17 mm
Size | Height
37.5 mm
28 mm
Size | Width
21 mm
17 mm
Weight
5.5 g
5 g
4 g
Function
Bluetooth Codecs
SBC, AAC
SBC, AAC
Bluetooth Profiles
A2DP, AVRCP, HSP, HFP
Fast Charging
10 minutes for 4 hours of playback
15 minutes for 90 minutes play time
Microphone Pickup Pattern
Omnidirectional
Noise Cancellation
Active
No
Sensor
Wear detection sensor
Weather Resistance
IPX4
Performance
Battery Life
7.5h ANC off / 10h ANC off / 22h w/ charging case
4h per charge, up to 20h total
7.5 h / 30 h (with Charging Cradle)
Charging Time
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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