Compare Bowers Wilkins PI7 vs Lenovo Smart Wireless Earbuds vs OnePlus Buds
Connectivity
Ports
USB-C
USB-C
USB-C
Wireless Connectivity
Bluetooth
Bluetooth 5.2
Bluetooth 5.0
Wireless Range
10 m
Construction
Battery | Capacity
400 mAh
35mAh (earbud) x2 + 420mAh (charging box)
Cable
20cm USB-C cable
Carrying Case
Yes
Colors
White, Charcoal
Black, White
White / Gray
Drivers
9.2mm Dynamic Drive + Balanced Armature
11mm dynamic drivers
1.34cm dynamic
Form Factor
In-Ear, True Wireless Headphones, Earbuds
In-ear, True wireless headphones
True Wireless Headphones
Headphone Type
Dynamic headphones
Dynamic headphones
Dynamic headphones
Microphone
4x mics for ANC + 2x mics for telephony
6x Microphones
Dimensions
Size | Depth
47.7 mm / 1.88"
18.81 mm
Size | Height
56 mm / 2.2"
37.89 mm
Size | Width
28.4 mm / 1.12"
16.13 mm
Weight
8 g
4.2 g / 0.009 lbs
4.7 g
Function
Bluetooth Codecs
AptX Adaptive, aptX HD, aptX Low Latency, aptX Classic, AAC, SBC
Bluetooth Profiles
A2DP v1.3.1, AVRCP v1.6.1, HFP v1.7.1, HSP v1.2, BLE GATT
Compatibility
IOS, Android 8, Windows
Fast Charging
2hrs with 15min charge
10 mins for 10 hours (charging box+earbuds) / 10 mins for 2 hours play time for the earbuds
Noise Cancellation
Yes
Active Noise Cancellation w/ 6 microphones
Weather Resistance
IPX4
IPX4
Performance
Battery Life
4hrs Bluetooth with ANC
Play time 5.4h (ANC on) / 7h (ANC off) + 3x extra charges w/ Charging Case (28h total)
Up to 7 hours (music playback) / 4 hours (phone call) / Up to 30 hours music playback (w/ charging box)
Charging Time
80 mins
Frequency Response
10Hz ~ 20kHz
20Hz - 20kHz
Microphone Sensitivity
-38 dB ± 2dB
Sensitivity
97 dB ± 3dB
Total Harmonic Distortion
0.3% (1kHz/10mW)
Production
Debut
2021-04
2021-09-08 (Lenovo Tech World 2021)
2020-07
Model Name
E501A
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