Compare Bowers Wilkins PI7 vs Yamaha TW-E3A vs Samsung Galaxy Buds2
Connectivity
Ports
USB-C
USB-C
USB-C
Wireless Connectivity
Bluetooth
Bluetooth 5
Bluetooth 5.2
Construction
Battery | Capacity
61 mAh
Cable
20cm USB-C cable
30 cm
Carrying Case
Yes
Charging case only
Colors
White, Charcoal
Olive, Graphite, Lavender, White
Drivers
9.2mm Dynamic Drive + Balanced Armature
6.0 mm
2-way Dynamic Drivers
Form Factor
In-Ear, True Wireless Headphones, Earbuds
In-ear true wireless headphones
Headphone Type
Dynamic headphones
Dynamic, In-ear
Dynamic headphones
Microphone
4x mics for ANC + 2x mics for telephony
3 mics (2 outer + 1 inner)
Dimensions
Size | Depth
21.1 mm
Size | Height
20.9 mm
Size | Width
17.0 mm
Weight
8 g
6.2 g each
5 g
Function
Bluetooth Codecs
AptX Adaptive, aptX HD, aptX Low Latency, aptX Classic, AAC, SBC
SBC, AAC, Qualcomm aptX
Bluetooth Profiles
A2DP v1.3.1, AVRCP v1.6.1, HFP v1.7.1, HSP v1.2, BLE GATT
A2DP, AVRCP, HFP, HSP
A2DP, AVRCP, HFP
Compatibility
Android 7.0 or higher
Fast Charging
2hrs with 15min charge
Noise Cancellation
Yes
ANC, cutting external background noise by up to 98%
Sensor
Accelerometer, Gyro, Proximity, Hall, Touch, Voice Pickup Unit (VPU)
Voice Assistance
Siri / Google Assistant
Weather Resistance
IPX5
Wireless Charging
No
Performance
Battery Life
4hrs Bluetooth with ANC
24 h (Approx. 6 h + 3 recharges)
5 hours / Total 18 hours Play time; 4 hours / Total 14.5h Talk time
Charging Time
2 h
Frequency Response
10Hz ~ 20kHz
20 Hz - 20 kHz
Total Harmonic Distortion
0.3% (1kHz/10mW)
Production
Accessory
Eartips, included: XS / S / M / L | Silicone Sleeves, included: S / M
Availability
2020-12
Debut
2021-04
2020-08-19
2021-08-11
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