OpenRock S2: Fit, Battery and Buying Trade-offs.

Start with the facts

A light hook design, with published battery figures.

Source: S2 manual (PDF), especially the controls, dual-device and English specification panels; S2 listing for the current offer. OpenRock’s X/S2 comparison also lists the S2 battery figures. “Up to” figures are planning limits, not our measurements.

The question behind this page

Will the S2 stay put with glasses?

We have not tested that combination. OpenRock's hook design and published 7 g weight cannot tell you whether an earbud will sit comfortably beside your glasses. Before ordering, establish whether the seller allows the kind of try-on you need. The direct-store return policy requires an unworn or unused item.

1. Check where the frame and earbud meet.

   If a try-on is permitted, wear your usual glasses and follow the manufacturer's fitting instructions. Note whether the glasses arm and ear hook press against each other, lift the frame or move the speaker away from its intended position. Check each ear separately.

2. Try the movements you actually make.

   Start indoors with ordinary head turns and looking down. If permitted by the seller, add a short walk in a clear space. Record each time you reposition an earbud. A brief check can reveal an obvious mismatch, but cannot establish workout stability.

3. Check your other gear without changing its fit.

   Repeat the check with your usual hat or helmet if relevant. Do not loosen or alter protective equipment to make room for the earbuds. If the combination interferes, consider another design.

4. Decide what would make you return them.

   Write down your deal-breaker before trying them: repeated slipping, pressure at a contact point, or interference with your glasses. Stop if the fit becomes uncomfortable. A more expensive model is only useful if it solves the particular problem you found.

These are our suggested observation steps, not a validated fit test or results from wearing the S2. See the manufacturer's wearing instructions and return questions first.

Keep a useful record

A worksheet for a permitted try-on.

Copy these prompts into your notes. Record what happened rather than assigning a comfort score you cannot explain. This is a blank worksheet for your own use; it contains no BestPicks test results.

A short, comfortable session is only evidence for that session. It does not establish long-run comfort, sweat resistance, battery endurance or suitability for someone with different ears and frames.

Separate features from results

LDAC is a compatibility question, not a sound-quality verdict.

Choose around your actual phone, watch or laptop. We have not verified LDAC operation with each device or whether every codec/multipoint combination is supported. Ask specifically about the combination you will use; a Bluetooth version alone does not answer that question.

The advertised four-microphone processing concerns calls. We have no controlled wind-noise recording, leakage measurement or listening comparison, so we cannot translate the feature list into a promise of clear outdoor calls or stronger bass.

Leaving the ear canal open does not establish that you will hear a particular warning, vehicle or person while audio is playing. This guide makes no traffic-safety guarantee.

Spend for a reason

Compare the fit style before paying more.

For a lower entry-price option within the same brand, see the OpenRock E comparison. Match your required features rather than treating the most expensive model as the automatic upgrade.

Before the first try-on

Read the return conditions first.

OpenRock allows a return request within 30 days of receipt but requires the item to be unworn or unused, with original packaging, accessories and proof of purchase. Non-quality return transport is the buyer’s cost. Read the current policy before assuming a workout trial is covered.

The warranty describes 24 months and one free defective-headphone replacement, with exclusions. Confirm care instructions and a fit-return arrangement before opening the order.

Ask the seller these questions before ordering.

• May I open and briefly wear this exact model indoors to check fit with glasses?
• If the fit is unsuitable after that permitted check, is it eligible for a refund?
• Where would I send it, who pays shipping, and are any other costs deducted?
• What is the deadline for requesting approval, and what packaging must I keep?

Keep the reply with your order confirmation. A warranty for a defective product does not by itself answer a fit-return question. If buying from another retailer, check that retailer's policy rather than assuming OpenRock's direct-store terms apply.

Evidence and editorial record

Sources and what changed.

Sources were checked September 27, 2026. Manufacturer information establishes what is offered or claimed; it does not replace a comparative product test. First published June 5, 2026.

• OpenRock S2 product page — offer, hook-design claims and product imagery.
• OpenRock S2 user manual — battery, codecs, weight, pairing, controls and care warning.
• OpenRock model comparison — corroborating S2 battery listing.
• Shokz OpenFit 2 product page — unpaid alternative specifications.
• OpenRock refund policy — eligibility and return transport.
• OpenRock warranty — coverage and exclusions.

Have evidence of a changed specification or an error? Contact BestPicks.