GroTawel Ou-ra Ring Gen 4 Fast Charging Dock (Sizes 7–13)

GroTawel's charger is a compact, retractable charging dock made specifically to recharge Ou-ra Ring Gen 4 models (sizes 7–13) quickly and safely without including a USB‑C cable.

This slim dock delivers a fast, user‑friendly charging experience for Ou-ra Ring Gen 4 owners who need a travel‑ready replacement or spare charger. Its adjustable cradle accepts seven ring sizes, charges to 80% in roughly 45 minutes under proper power conditions, and integrates four internal safety protections to reduce risk while charging. Note: this unit is designed for Gen 4 rings only and is not compatible with Ou‑ra Ring Gen 3 or other smart ring brands.

How fast will my Ou‑ra Ring Gen 4 charge with this dock?

The GroTawel dock supports accelerated charging that brings a Gen 4 ring to about 80% capacity in approximately 45 minutes when paired with a suitable USB‑C power source (not included). Charging time can vary by charger output and ring battery state.

• Estimated 80% charge in ~45 minutes under recommended power delivery.
• Actual time depends on wall adapter wattage and ring battery level.
• USB‑C cable and wall adapter are not included—use a quality USB‑C PD adapter.

Will this dock fit my ring size and how does the retractable design work?

The dock incorporates a retractable cradle engineered to hold Ou‑ra Ring Gen 4 sizes 7 through 13 securely. Before using, confirm the ring size engraved inside your band to ensure compatibility and proper contact alignment.

• Fits sizes 7, 8, 9, 10, 11, 12, 13 with a single adjustable cradle.
• Retractable mechanism centers the ring over charging contacts for reliable connection.
• Designed for Gen 4 geometry—do not attempt with Gen 3 rings.

What safety features protect my ring while charging?

GroTawel built four internal protections into the dock to guard your ring from common electrical faults during charging. These safeguards help minimize the chance of overcharging, overheating, or short circuits while the device is connected.

• Over‑current protection to prevent excessive charging current.
• Over‑voltage protection shields against unstable power inputs.
• Short‑circuit protection and temperature control for added safety.

Is this charger convenient for travel and what’s included in the box?

The compact form factor slips easily into a pocket, purse, or carry bag, making it a practical travel accessory. The package contains the GroTawel Ou‑ra charger dock and a user manual; you’ll need to supply your own USB‑C cable and adapter for power.

• Small, lightweight design ideal for home, office, or travel use.
• Includes charger dock and user manual only; no cable or adapter shipped.
• Store flat to protect the retractable mechanism during transport.

Who is this for? The GroTawel Charger Compatible with Ou‑ra Ring Gen 4 is made for Ou‑ra Gen 4 owners who want a single, portable solution to recharge multiple ring sizes without buying size‑specific docks. It’s a good match for frequent travelers, users seeking a spare charger for work or bedside, and anyone replacing a lost or damaged Gen 4 charger—provided their ring size is between 7 and 13. Remember to confirm your ring’s Gen 4 marking and size engraving before purchasing, and plan to use a reliable USB‑C cable and adapter for best charging performance.