{"product_id":"onekey-classic-1s-pure-btc-only","title":"OneKey Classic 1S Pure BTC-Only","description":"\u003cp\u003eOneKey Classic 1S Pure BTC-Only is a dedicated Bitcoin hardware wallet engineered for Bitcoin holders who prioritise simplicity and security. The device ships pre-configured for BTC transactions only, with the flexibility to upgrade to multi-coin support at any time. Built around a dual EAL6+ certified Secure Element chip, it stores private keys in an isolated offline environment. The 1.54-inch high-contrast monochrome OLED display with anti-glare polarizer delivers clear visibility for on-device transaction verification. Battery-free operation means no constant power drain and no connectivity vulnerabilities — the device is only active when physically in use. Supports air-gapped transaction signing via QR code. Fully open-source firmware and hardware design, independently auditable. Available in Hong Kong from Ooosh Tech Shop, authorised reseller of OneKey.\u003c\/p\u003e\u003cp\u003eThis is a physical hardware security device. It does not provide financial services, trading, exchange, or asset management of any kind.\u003c\/p\u003e","brand":"OneKey","offers":[{"title":"Default Title","offer_id":44446442946602,"sku":"ooook-c1s-pr-btc","price":780.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/4314\/2954\/files\/oooshtechshoponekeyclassic1spurebtc3.webp?v=1780978921","url":"https:\/\/oooshtechshop.hk\/products\/onekey-classic-1s-pure-btc-only","provider":"Ooosh Tech Shop","version":"1.0","type":"link"}