How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want a headset that doubles as a real calling tool with an adjustable boom mic and active noise cancellation, choose IHAO Open Ear Air; if you need featherweight open-ear earbuds with a charging case that keeps you going for days, choose CoolJumper Open Ear Earbuds.
• IHAO Open Ear Air — biggest strength: A rotatable boom mic plus dual microphones and Active Noise Cancellation, which makes it the more serious pick for calls and voice work. Bluetooth 5.4 and IPX5 round it out.
• IHAO Open Ear Air — biggest trade-off: It's the heavier, more headset-like option at 6.4 ounces with a listed 10-hour battery, and it uses push-button controls rather than touch.
• CoolJumper Open Ear Earbuds — biggest strength: True lightweight earbuds at just 4g each, with a dual LED charging case rated for up to 80 hours of total playtime and Bluetooth 6.1.
• CoolJumper Open Ear Earbuds — biggest trade-off: No active noise cancellation and no boom mic — it leans on ENC call noise reduction built into the earbuds instead.
• Who each is for: Pick IHAO if calls, focus and a boom mic matter most. Pick CoolJumper if you want barely-there earbuds and long battery life for running, commuting and travel.
The IHAO Open Ear Air is the more "headset" of the two. The headline feature is that rotatable boom mic, which you can swing into position for calls instead of hoping an in-ear mic picks up your voice. It's backed by a dual-microphone system, and on top of that you get Active Noise Cancellation to cut down ambient noise while you listen or talk. That combination is unusual in open-ear gear, and it tells you exactly who this is built for: people who take calls, join meetings, or record voice while still wanting their ears open.
Who should skip it? If you want the lightest possible thing on your head, this isn't it. It weighs 6.4 ounces, it's a push-button control layout rather than touch, and the listed battery average life is 10 hours. It's also a single-piece headset, so there's no charging case to top it up on the go. Buy it for the microphone and the ANC, not for minimalism.
CoolJumper Open Ear Earbuds: Who It's For
The CoolJumper Open Ear Earbuds go the other direction entirely: two separate earbuds, each just 4g, held by soft silicone ear hooks that flex to different ear shapes. There's no pressure on your ears and nothing over your head. If your priority is forgetting you're wearing anything at all while you run, commute or work out, this is the design that delivers it.
The battery story is the other big selling point. Each earbud is rated for up to 10 hours of continuous playback, and the charging case is rated for up to 80 hours of total playtime, recharging the buds roughly 5–6 times. Fast charging is listed at about 1 hour, and there's a dual LED digital display on the case so you can see where you stand. For travel and long outdoor days, that's genuinely useful.
On sound and calls, CoolJumper lists 14.2mm dynamic drivers for bass and detail, plus dual HD microphones with ENC noise reduction for clearer calls in noisy places. Bluetooth 6.1 is the newer standard here, with a stable connection listed up to 15 meters and reduced power consumption. Controls are touch-based, and IP7 waterproofing is a step up from IPX5 for sweat and rain.
Who should skip it? If you need real active noise cancellation or a boom mic for serious voice work, this isn't the tool — ENC helps with calls, but there's no ANC and no extendable mic. It's an earbud for listening and light calls, not a headset.
• Best for calls and voice clarity → IHAO Open Ear Air. The rotatable boom mic plus dual mics and ANC is a calling-focused setup you won't find on the CoolJumper.
• Best for blocking out the world → IHAO Open Ear Air. It's the only one of the two with Active Noise Cancellation.
• Best for all-day, barely-there comfort → CoolJumper Open Ear Earbuds. 4g per earbud with flexible silicone hooks beats a 6.4-ounce headset for weight.
• Best for battery life → CoolJumper Open Ear Earbuds. Up to 80 hours total with the charging case versus a listed 10 hours on the IHAO.
• Best for running and heavy sweat → CoolJumper Open Ear Earbuds. IP7 waterproofing is the higher rating; the IHAO sits at IPX5.
• Best for the newest wireless standard → CoolJumper Open Ear Earbuds. Bluetooth 6.1 versus Bluetooth 5.4, with a listed range up to 15 meters.
• Best for controls you can feel without looking → IHAO Open Ear Air. Physical push buttons are easier to hit mid-workout than touch panels.
• Best for travel and commuting → CoolJumper Open Ear Earbuds. A charging case with an LED readout is far easier to live with on the move than a single headset.
I'd buy the CoolJumper Open Ear Earbuds for most people. In my opinion, the 4g-per-bud fit, the up-to-80-hour case, IP7 protection and Bluetooth 6.1 cover the everyday reality of open-ear listening — running, commuting, working out, traveling — better than a single heavier headset does.
I'd only switch to the IHAO Open Ear Air if calls are the main event. The rotatable boom mic, dual mics and Active Noise Cancellation make it the better tool when your voice is what matters most, and 10 hours of playback is plenty for a workday. Different jobs, different picks.
how to open ear headphones work
Open-ear headphones sit outside your ear canal rather than sealing it, so sound reaches you while outside noise still gets in. The IHAO uses open-ear air conduction with a 20Hz–20,000Hz range, while the CoolJumper uses 14.2mm dynamic drivers in an open-ear fit — both keep you aware of your surroundings.
how to wear open ear headphones
The CoolJumper earbuds hook over your ear with soft silicone hooks that adapt to different ear shapes, resting at just 4g each. The IHAO is a single on-ear headset you place over your ear, then rotate the boom mic toward your mouth for calls.
how to use open ear headphones
Pair over Bluetooth, then control playback from the device itself — the IHAO uses push buttons, the CoolJumper uses touch controls. The CoolJumper auto-reconnects to your last paired device when you lift the buds from the charging case, and its case shows remaining power on a dual LED display.
how to open ear headphones for calls
Use the IHAO Open Ear Air if calls are the priority: its rotatable boom mic, dual microphones and Active Noise Cancellation are built for voice clarity. The CoolJumper relies on dual HD mics with ENC noise reduction, which helps in noisy places but isn't the same as a boom mic.
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See also: IHAO Air Conduction vs MZYMI Open Ear Earbuds, AGM OpenBuds 1 vs CoolJumper Clip-on Ear Earbuds: Open Ear, YouthWhisper Bone Conduction Headphones vs MyJoy Air Open Ear