Compare Bowers & Wilkins PX7 vs Microsoft Surface Headphones 2+ vs Lenovo Go USB-C Headphones
Connectivity
Ports
3.5mm stereo jack + USB-C
USB-C, 3.5mm
USB-C
Wireless Connectivity
Bluetooth
Bluetooth 5.0
Construction
Cable
1.2m stereo audio cable + 1.2m USB-A to USB-C cable
1.2 m Audio, 1.5 m USB
1.2 m, braided, with in-line control
Carrying Case
Yes
Soft travel pouch
Colors
Space Grey, Silver, Carbon
Matte Black
Thunder Black, Storm Grey
Drivers
43.6mm full range
40 mm Free Edge driver
10 mm
Form Factor
Wireless Headphones, Over-Ear
Over-ear, wireless headphones
Wired in-ear headphones (earbuds)
Headphone Type
Dynamic headphones
Microphone
4x mics for ANC + 2x mics for telephony
3x Mics
Dimensions
Size | Depth
1.89" / 48 mm
Size | Height
22.26 mm / 0.88"
Size | Length
8.03" / 204 mm
27.83 mm / 1.1"
Size | Width
7.68" / 195 mm
22.16 mm / 0.87"
Weight
310 g
0.64 lbs / 290 g
21.5 g / 0.05 lb
Function
Bluetooth Codecs
AptX Adaptive, aptX HD, aptX Classic, AAC, SBC
SBC, aptX
Bluetooth Profiles
A2DP v1.3.1, AVRCP v1.6.1, HFP v1.7.1, HSP v1.2, BLE GATT
Compatibility
Up to 2 simultaneous connections
Fast Charging
5hrs with 15min charge
Microphone Pickup Pattern
Omni-directional
Noise Cancellation
Yes
Up to 30 dB for active noise cancellation, Up to 40 dB for passive noise cancellation
Hybrid ANC, Max -30 dB
Sensor
Wear detection sensors on earcups, Touch sensors on earcups
Performance
Battery Life
30 hrs Bluetooth with ANC
Up to 18.5 hours of music listening time or up to 15 hours of voice calling
Charging Time
Full charge in less than 2 hours
Frequency Response
10Hz ~ 30kHz
20Hz-20KHz
20 Hz ~ 20 kHz
Impedance
20k Ohms
32 ohms
Max Sound Level
Up to 115 dB
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)
3%
Production
Availability
2021-11
Debut
2019-10
2021-04
2021-06 (MWC 2021)
Made In
China
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