ETEIZU
ETEIZU Magnetic Charger 2 Pin 4mm Pitch Accessory
A magnetic charging cable for smartwatches and wearables with a 4mm pin pitch and a tolerance of 3.8mm to 4.2mm
- Accessory TypeAccessories
- Charges most 2-pin wearables with 3.8–4.2 mm pitch
- Magnetic auto-alignment snaps on instantly for secure contact
- Pure copper probes deliver full charge in about 2 hours
- Built-in over-voltage and over-current protection guards devices
- Cable survives 5000+ bend cycles for lasting durability
Universal magnetic charger for wearables
This magnetic charging cable fits smartwatches, fitness trackers, bone conduction headphones and smart glasses that use a two-pin connector with a 4mm pitch. The contacts accept a tolerance of 3.8mm to 4.2mm centre-to-centre so buyers must verify the spacing on their device before ordering. A pure copper probe provides instant magnetic alignment and a secure hold that resists accidental detachment during charging.
Replaces lost or damaged proprietary cables
The accessory serves as a direct replacement when the original manufacturer charger is missing, frayed or no longer seats properly. Upgrading is worth it if the old cable suffers from intermittent contact or slow conduction because the pure copper probe and rapid conduction technology deliver a full charge in approximately 2 hours. It is not for devices that use a different pin count, a proprietary clip mechanism or inductive coils instead of exposed contacts.
Stable output under daily cycling
Built-in over-voltage and over-current safeguards maintain steady power delivery throughout the charging cycle rather than only at the start. The ABS housing and flexible PVC cable have been bent more than 5000 times in testing, so the connector retains its magnetic grip and electrical continuity after repeated connect and disconnect events. Heat buildup stays low during the full session, protecting both the charger and the wearable battery.
Highlights
- Charges most 2-pin wearables with 3.8–4.2 mm pitch
- Magnetic auto-alignment snaps on instantly for secure contact
- Pure copper probes deliver full charge in about 2 hours
- Built-in over-voltage and over-current protection guards devices
- Cable survives 5000+ bend cycles for lasting durability
Specifications
| Accessory Type | Accessories |
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Questions about this item
What pin-pitch measurement must my smartwatch have for this 4 mm charger to connect?
Your device needs a 2-pin contact spacing between 3.8 mm and 4.2 mm centre-to-centre; the charger is built for a 4 mm pitch with a ±0.2 mm tolerance.
How do I attach the magnetic charger so it stays aligned during charging?
Hold the connector near the watch’s charging pads; the upgraded pure-copper magnetic probe snaps into place automatically — do not force it or the alignment pins can bend.
When should I replace the cable if I use it daily?
The PVC-jacketed cable is rated for over 5000 bend cycles; plan a replacement once the cable shows kinks, exposed wires or the magnetic hold feels weaker.
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