We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-25 · 6 min read · Independent comparison
If you want a proven open-ear design with secure earhooks, a companion app and full control over your sound, choose Shenzhen SHOKZ OpenFit Air; if you need jewelry-inspired clip-on earbuds with a 40-hour case and a case that stores the earrings still attached, choose Kinglucky Gen2.
• OpenFit Air's biggest strength: the earhook fit. Each earbud weighs just 0.3 oz, it stays put without entering your ear canal, and the Shokz app lets you tune EQ modes, button functions and multipoint pairing yourself.
• OpenFit Air's biggest trade-off: battery life. Up to 6 hours per charge and 28 hours with the case is decent for a day, but it trails the Kinglucky's total playtime, and there is no active noise cancellation.
• Kinglucky Gen2's biggest strength: total playtime and storage convenience. Bluetooth 5.4, up to 40 hours with the charging case, and a Gen2 case that holds the earbuds with the sparkle butterfly earrings still attached.
• Kinglucky Gen2's biggest trade-off: its audio identity is built around a fashion-forward concept rather than tuning. It does offer adaptive noise cancellation, but the earring styling is the headline, and the app-based customization that OpenFit Air offers is not part of its feature set.
• Who each pick is for: OpenFit Air suits someone who wants a secure open-ear fit for workouts, work calls and switching between two devices; Kinglucky Gen2 suits someone who wants clip-on open-ear buds that double as part of an outfit, with the longest total playtime between the two.
OpenFit Air is built around one idea: an open-ear earbud that stays where you put it. The earhook shape and hook earpiece sit above each ear, and you pivot them backward until they fit snugly. At 0.3 oz per earbud, the weight is light enough that the design goal is simply to make you forget you are wearing them. For anyone who has watched regular earbuds slide out mid-run or mid-flight, that is the whole appeal.
Who should buy it: people who want one pair for workouts, driving, leisure and work, who value a stable earhook fit and want to control their sound profile in an app. Who should skip it: anyone who wants maximum total playtime, active noise cancellation, or earbuds that make a style statement — OpenFit Air comes in white with a matte black fabric case, plain and functional.
Kinglucky Gen2: Who It's For
Kinglucky Gen2 takes a completely different route. These are clip-on open-ear earbuds designed for women, teens and small-ear users, sitting gently on the ear without entering the canal. The flexible Ni-Ti ear bridge can be gently shaped to match your ear, which matters if standard earbuds feel too big or keep falling out. The open-ear structure reduces pressure and keeps you aware of your surroundings, and the brand notes they work with glasses and long hair.
What separates Gen2 from ordinary clip-on buds is the accessory concept. Detachable sparkle butterfly earrings turn the earbuds into part of an outfit — outings, parties, dates, shopping, gifting — and you can remove them when you want a cleaner look. The upgraded Gen2 case stores the earbuds with the earrings still attached, so you are not taking jewelry on and off every time you pack them away. That is a genuinely practical upgrade over detachable-jewelry designs that force you to remove pieces before storing.
On the tech side: Bluetooth 5.4, up to 40 hours of total playtime with the charging case, adaptive noise cancellation, touch controls, IP56 water resistance, and a 32 ohm balanced armature driver with a 20 Hz to 20,000 Hz range. The color is Rose Gold.
Who should buy it: women and small-ear users who want comfortable open-ear audio for commuting, work, travel and going out, and who like the idea of earbuds that read as jewelry. Who should skip it: anyone who wants a dedicated companion app, personalized EQ, or multipoint pairing between two devices — those are not part of this product's feature set.
• Best for secure earhook fit during workouts → Shenzhen SHOKZ OpenFit Air. The earhook shape and 0.3 oz weight are designed to stay put through movement.
• Best for total battery life → Kinglucky Gen2. Up to 40 hours with the case versus 28 hours on the OpenFit Air.
• Best for app control and sound customization → Shenzhen SHOKZ OpenFit Air. Personalized EQ modes, customizable buttons and firmware updates via the Shokz app.
• Best for noise reduction → Kinglucky Gen2. Adaptive noise cancellation is listed among its controls; OpenFit Air lists noise control as none.
• Best for small ears and glasses wearers → Kinglucky Gen2. The adjustable Ni-Ti ear bridge is designed to be shaped to your ear.
• Best for multi-device switching → Shenzhen SHOKZ OpenFit Air. Multipoint pairing holds two devices at once and switches with a tap.
• Best for style and gifting → Kinglucky Gen2. Removable sparkle butterfly earrings and a case that stores them attached.
• Best for higher water resistance → Kinglucky Gen2. IP56 versus IP54 on the OpenFit Air, a small but real edge against splashes and sweat.
In my opinion, the OpenFit Air is the better buy for most people who care about audio first. The earhook fit, four microphones, multipoint pairing, IP54 rating and app-based EQ give you a more complete everyday tool for workouts, calls and switching between devices. I would pick the Kinglucky Gen2 instead if the jewelry concept is the reason you are shopping — the 40-hour case, adjustable ear bridge for small ears and adaptive noise cancellation make it genuinely useful, not just decorative. Check the current price on Amazon before you decide, since value depends on what you are paying that day. Either way, both are open-ear designs, so neither will isolate you from traffic or conversations.
FAQ
how to open tws earbuds
how to use tws earbuds
Both pairs connect wirelessly over Bluetooth, so you pair them with your phone or laptop once and then just take them out to listen. The OpenFit Air supports multipoint pairing with two devices and app-based EQ and button settings; the Kinglucky Gen2 uses touch controls and adaptive noise cancellation.
how to wear tws earbuds
Open-ear models sit outside your ear canal rather than inside it. OpenFit Air hooks above each ear and pivots back for a secure fit, while Kinglucky Gen2 clips on with a flexible Ni-Ti bridge you can gently shape to your ear — helpful if you wear glasses or have long hair.
how to operate tws earbuds
The OpenFit Air is controlled by touch and volume controls, with button functions you can customize in the Shokz app. The Kinglucky Gen2 uses touch controls as well. Charging is done through the included case for both; the OpenFit Air also supports a 10-minute quick charge for about 2 extra hours.
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See also: MAMALADY Open Ear vs Xmenha Single Open Ear: Air Conduction, Purity Air Open Ear vs Sunffice Open Ear: Cycling Earbuds, Kinglucky Open-Ear Clip-On Earbuds vs Nerunsa