OnePlus Bullets Wireless Z vs Oppo Enco W31 – Specs, Price & Comparison (2026)

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Brand	OnePlus	Oppo
Model No	Bullets Wireless Z	Enco W31
Wired / Wireless	Wireless Headphone Specification	Wireless Headphone Specification
Headphone Type	Neckband	Neckband

Magnet Type	Dynamic	Dynamic
Driver Diameter	9.2 mm	9.2 mm
Impedance	NA	NA
Sensitivity	NA	101.9dB
Frequency Response	20 Hz - 20000 Hz	20 Hz ~ 20000 kHz
Maximum Power Input	5 V DC	5 mW
Noise Cancelling	No	AI Uplink

Wireless Technology	Bluetooth	Bluetooth
Bluetooth Version	5.0	5.0
Compatible Profiles	All Bluetooth Devices	All Bluetooth Devices
Supported Codecs	HFP / A2DP / HSP / AVRCP	A2DP SBC
Battery Type	Lithium Ion	Lthium-ion Battery
Bluetooth Range	10 Meters	10 Meters
Battery Life	10 Hours	12 Hours
Charging Time	10 Minutes	2 Hours

Available Colors	Black, White, Blue, Green, Orange	Black, Green
Connector Plating	NA	NA
Cable	USB C-Type Charging Cable	USB Type-C Charging Cable
Weight	28 gm	22 gm
Other Features	IP55 Sweat and water-resistant A single 10 minute charge gives you 10 hours of music and movies With convenient features like Quick Switch, Quick Pair and Magnetic Control, listening to your music has never been this simple A massive playtime of up to 20 hours with full charge The Bullets Wireless Z comes with Warp Charge technology	12 Month Manufacturer Warranty. IPX5 water resistance cannot guarantee protection under extreme conditions. Typical BluetoothÂ® data is based on Bluetooth A2DP SBC (328 Kbps, 44.1 kHz) standards. Voice assistant activation and power level checking capabilities are supported by OPPO smartphones running ColorOS version 6.0 or higher. Due to performance characteristics of BluetoothÂ® headphones, electromagnetic interference in the surrounding environment may impact their signal stability. "High-quality audio format" refers to LDAC and "Typical audio format" refers to non-LDAC formats. Devices running Android version 8.1 or higher support LDAC by default. For longer play time, you can turn off high-quality audio in your phone's BluetoothÂ® settings.
	Compare OnePlus Bullets Wireless Z with: Philips TAN1150BK JBL TUNE 110BT Nokia T2000 Realme Buds Q Realme Buds Q2s	Compare Oppo Enco W31 with: Philips TAN1150BK JBL TUNE 110BT Nokia T2000 Realme Buds Q Realme Buds Q2s

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