Compare Bowers & Wilkins PX7 vs Bowers & Wilkins PI3 vs Lenovo Go USB-C Headphones
Connectivity
Ports
3.5mm stereo jack + USB-C
USB-C
USB-C
Wireless Connectivity
Bluetooth
Bluetooth, USB-C
Construction
Cable
1.2m stereo audio cable + 1.2m USB-A to USB-C cable
20cm USB-A to USB-C cable
1.2 m, braided, with in-line control
Carrying Case
Yes
Soft travel pouch
Colors
Space Grey, Silver, Carbon
Space Grey, Blue, Gold
Thunder Black, Storm Grey
Drivers
43.6mm full range
9.2mm full range + Balanced Armature
10 mm
Form Factor
Wireless Headphones, Over-Ear
In-Ear, Neckband Wireless Headphones, Earbuds
Wired in-ear headphones (earbuds)
Headphone Type
Dynamic headphones
Dynamic headphones
Microphone
4x mics for ANC + 2x mics for telephony
1x mics for telephony
3x Mics
Dimensions
Size | Height
22.26 mm / 0.88"
Size | Length
27.83 mm / 1.1"
Size | Width
22.16 mm / 0.87"
Weight
310 g
31 g
21.5 g / 0.05 lb
Function
Bluetooth Codecs
AptX Adaptive, aptX HD, aptX Classic, AAC, SBC
AptX-Adaptive, aptX-HD, aptX-Classic, AAC, SBC
Bluetooth Profiles
A2DP v1.3.1, AVRCP v1.6.1, HFP v1.7.1, HSP v1.2, BLE GATT
A2DP v1.3.1, AVRCP v1.6.1, HFP v1.7.1, HSP v1.2, BLE GATT
Fast Charging
5hrs with 15min charge
2hrs with 15min charge
Microphone Pickup Pattern
Omni-directional
Noise Cancellation
Yes
No
Hybrid ANC, Max -30 dB
Performance
Battery Life
30 hrs Bluetooth with ANC
8hrs Bluetooth with ANC
Frequency Response
10Hz ~ 30kHz
10Hz ~ 30kHz
20 Hz ~ 20 kHz
Impedance
20k Ohms
32 ohms
Microphone Frequency Response
50 Hz ~ 8 kHz
Microphone Sensitivity
-26 dB
Power Input
10 mW
Sensitivity
110 dBm ± 3 dBm
Total Harmonic Distortion
0.3% (1kHz/10mW)
0.3% (1kHz/10mW)
3%
Production
Accessory
Ear Tips: S / M / L
Availability
2021-11
Debut
2019-10
2019-10
2021-06 (MWC 2021)
Made In
China
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