MJOFFIN Bluetooth 5.4 Bone Conduction Headphones, 22g, IP55, Up to 10 Hours
Product description
Some listeners want immersive sound, others need to keep their ears open to what is happening around them. The MJOFFIN bone conduction headphones are built for the second priority, with an open-ear fit for runs, rides, and everyday listening. Their lightweight wraparound design also suits people who prefer not to place earbuds inside their ear canals.
Tech specs
- Brand: MJOFFIN
- Type: Bone conduction, open-ear headphones
- Weight: 22g
- Connectivity: Bluetooth 5.4
- Battery life: Up to 10 hours of music and talk time
- Charging: USB-C, about 1.5 hours for a full charge
- Water resistance: IP55
- Material: Flexible titanium frame
- Color: Black
- Impedance: 80 ohm
Who it’s for
The open-ear layout leaves the ear canals uncovered, which can help you stay aware of nearby conversation or traffic while listening. That makes these headphones relevant for running, cycling, hiking, workouts, or a walk where hearing your surroundings matters. They can also handle podcasts, audiobooks, music, and hands-free calls during a regular day. The built-in noise-reduction microphone is intended to support voice pickup for calls and meetings, though the listing does not specify call performance in noisy conditions.
At 22g, the frame is designed to feel light, with its wraparound shape distributing weight rather than resting inside the ears. Buyers commonly praise comfort, a secure fit during exercise, battery life, and the ability to hear ambient sounds. Those comments offer useful context, but they are individual impressions rather than a guarantee that the fit or sound will suit everyone.
Everyday use
Bluetooth 5.4 supports wireless listening from a paired device, while the stated battery life of up to 10 hours may cover several parts of a day between charges. For example, a listener could use them on a commute, for podcasts during work, and again for an evening workout. USB-C charging is listed at about 1.5 hours for a full charge.
IP55 resistance is intended for dust, sweat, and water exposure associated with active use, such as a workout or light splashes. It does not make these headphones suitable for swimming or prolonged immersion. Compared with sealed in-ear earbuds, the main trade-off is the open-ear design: it prioritizes awareness and avoids an in-ear fit, rather than blocking outside sound.
Questions before you buy
Can you use them while swimming? No. The product is described as IP55 water-resistant, but it is not designed for swimming or prolonged water immersion.
Do they sit inside the ear canal? No. They use an open-ear, bone-conduction form factor, with the ear canals left uncovered.
How long does a full charge take? The listed USB-C charging time is about 1.5 hours. Battery life is stated as up to 10 hours for music and talk time.
When it makes sense
It makes sense if your priority is listening while remaining aware of your surroundings, especially during outdoor activity or workouts. The reported secure fit and comfort may also appeal if conventional earbuds put pressure inside your ears. It may not suit you if you need swimming headphones or want an in-ear design that blocks surrounding sound. For this type of use, the key choice is whether awareness matters more than isolating your listening from the environment.