
OnePlus Bullets Wireless Z3 Mambo Midnight
Score: 85/100
Soundcore P31i with ANC
Score: 87/100Rankings

The Soundcore P31i offers ultra-light comfort, adaptive ANC and a 50-hour total battery life, making it ideal for commuters and travelers. Its bass-heavy tuning and limited transparency mode data may deter audiophiles seeking a balanced sound. Best suited for users who prioritize ANC and long endurance over detailed spec transparency.

The OnePlus Bullets Wireless Z3 is a neckband earphone that delivers a long 36-hour battery life and fast 10-minute charging, plus AI-powered ANC and IP55 protection. Its neckband design and lack of wireless charging may not suit users who prefer fully wireless earbuds. Ideal for commuters, gym-goers and budget-conscious users who value endurance and features.
| Attribute | ![]() | ![]() |
|---|---|---|
36 hoursbest | 10 hours | |
— | 50 hoursbest | |
| ↓ lower better | 10 minutesbest | 120 minutes |
| ↓ lower better | 26 gbest | 59 g |
10 metersbest | — | |
12.4 mmbest | 11 mm | |
5 | 6best | |
32 Ωbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Battery & Power(2) | ||
Battery Life (Earbuds) (hours) | 36 hours | 10 hours |
Charging Time (minutes) | 10 minutes | 120 minutes |
Connectivity(1) | ||
Bluetooth Version | 5.4 | 6.1 |
Build & Design(1) | ||
Total Weight (including case) (g) | 26 g | 59 g |
Audio(3) | ||
Supported Audio Codecs | AAC,SBC | LDAC |
Driver Size (mm) | 12.4 mm | 11 mm |
Microphone Count | 5 | 6 |

Products in the top-left offer the best value (high score, low price).

Professional reviewers consider the Z3 a value-packed neckband that excels in comfort, durability, and feature set. They commend its ultra-light 26-gram build, ergonomic design that creates an acoustic seal, and the IP55 rating for active use, while highlighting the fast Warp Charge and seamless dual-device pairing as standout conveniences.
Everyday users consistently praise the Z3 for its long battery life, rapid charging, lightweight comfort, and solid sound quality. The magnetic earbuds and IP55 resistance are also frequently mentioned as practical benefits for workouts and on-the-go listening.


Professional reviewers commend the P31i for their feather-light comfort, powerful bass from the 11 mm titanium-coated drivers, and a highly effective adaptive ANC that outperforms the prior P30i. They also note the lack of deep technical data and third-party benchmarks, which limits a full performance assessment.
Everyday users repeatedly praise the earbuds' ultra-light weight, punchy bass, and long battery life, while expressing mild concerns about fit stability and the scarcity of detailed user-generated feedback.