Overview

The S300 is a flat 3-in-1 wireless charging pad built to power a phone, smartwatch, and true wireless earbuds from a single USB-C cable. Two side coils deliver up to 15W each, while the center cutout holds a smartwatch securely.

Dual 15W Fast-Charging Zones

• Two independent coils adapt from 5W to 15W depending on the device.
• Charge two phones at once, or one phone plus a pair of earbuds.
• Qi-compatible with iPhone, Samsung Galaxy, Huawei, Xiaomi, and other Qi phones.

Three-Device Layout

• Center slot fits Apple Watch and similarly sized smartwatches.
• Open sides leave room for AirPods, Galaxy Buds, and other TWS cases.
• Smart power split adjusts output to each device automatically.

Build & Compatibility

• LED status light shows charging at a glance.
• USB-C input; pair with an 18W+ PD/QC adapter for best performance.

Use Cases

Desks, nightstands, hotel rooms, hot-desking. One pad replaces three chargers and keeps cables out of sight.

Product Specs

• Compatible devices: iPhone 12 and later (MagSafe alignment), Huawei Mate/P, Samsung S/Note and other Qi-enabled Android phones; watch and earbuds on their magnetic spots
• Power: phone up to 15W / watch 2.5W / earbuds 5W
• Input: Type-C PD 20W
• Certifications: Qi / CE / FCC / RoHS
• Material: ABS+silicone anti-slip
• Colors: Star Black / Moon White
• In the box: charger ×1, Type-C cable ×1, manual ×1
• Warranty: 12 months, free replacement for non-human damage

FAQ

Q: Which phones does this wireless charger support?
A: iPhone 12 and later with MagSafe alignment, plus Huawei Mate/P, Samsung S/Note and other Qi-enabled Android phones.

Q: How fast does it charge?
A: Phone charges at up to 15W with a smart chip that matches each device's power; watch 2.5W and earbuds 5W run on separate low-power zones.

Q: Is it normal for the phone to get warm?
A: Slight warmth during wireless charging is normal. Built-in NTC thermal control with over-current, over-voltage and over-charge protection steps power down if it gets too hot, safe for overnight charging.

Q: Can it be OEM/ODM customized?
A: Yes. We offer OEM/ODM with custom LOGO, color and packaging. MOQ and lead time on request from our sales team.

Q: How many devices at once?
A: Phone, watch and earbuds each on its spot — one base charges them together, leaving just one cable on the desk.

Why Choose Shanwu (Factory-Direct)

With our own lines, the S300 dual 15W pad is controlled from coil to finished product and Qi / CE / FCC / RoHS certified. Its slim flat form fits desks and hotel roll-outs, with controllable lead time and quality.

Customization Process

• Requirement discussion: dual-charge layout, power and port
• Proposal & sample: samples in 7–10 days, private tooling and colors
• Mass production: two independent coils, single USB-C cable
• Branding: one-stop Logo, gift box and manual customization

Typical Scenarios

Desk with two phones, hotel nightstand, hot-desking and travel — one S300 gives phone and earbuds their own spot, leaving just one cable on the desk.