# @ledgerhq/hw-transport-web-ble > Ledger Hardware Wallet Web Bluetooth implementation of the communication layer Latest version **6.35.0** (published 2026-06-30) · Apache-2.0 license · 0 weekly downloads ## Install ```sh npm install @ledgerhq/hw-transport-web-ble pnpm add @ledgerhq/hw-transport-web-ble yarn add @ledgerhq/hw-transport-web-ble bun add @ledgerhq/hw-transport-web-ble ``` ## Health **Score 70/100 (B)** — status: active. Positive: has types; esm support; no vulnerabilities; recently updated; high maintenance score; high quality score. Warnings: low downloads. ## Facts | | | |---|---| | Version | 6.35.0 | | Published | 2026-06-30 | | First published | 2018-12-11 | | Weekly downloads | 0 | | License | Apache-2.0 | | TypeScript types | bundled | | Module format | ESM + CommonJS | | Dependencies | 5 | | Unpacked size | 150.1 KB | | Known vulnerabilities | 0 | | Install scripts | no | | GitHub stars | 620 | | Maintainers | phenry-ledger, sergii-shkolin, gbrahm-ledger, thomas.coudray, ldg-github-ci, vbouzon, ledger-releaser | | Keywords | Ledger, LedgerWallet, bluetooth, ble, NanoS, Blue, Hardware Wallet | ## Links - npm: https://www.npmjs.com/package/@ledgerhq/hw-transport-web-ble - Repository: https://github.com/LedgerHQ/ledger-live - Homepage: https://github.com/LedgerHQ/ledger-live/tree/develop/libs/ledgerjs/packages/hw-transport-web-ble - Issues: https://github.com/LedgerHQ/ledger-live/issues - npm.io page: https://npm.io/package/@ledgerhq/hw-transport-web-ble ## Dependencies (5) - [rxjs](https://npm.io/package/rxjs.md) 7.8.2 - [@ledgerhq/logs](https://npm.io/package/@ledgerhq/logs.md) ^6.17.0 - [@ledgerhq/errors](https://npm.io/package/@ledgerhq/errors.md) ^6.37.0 - [@ledgerhq/devices](https://npm.io/package/@ledgerhq/devices.md) 8.16.0 - [@ledgerhq/hw-transport](https://npm.io/package/@ledgerhq/hw-transport.md) 6.35.5 ## Alternatives - [@lexical/table](https://npm.io/package/@lexical/table.md) — 3.0M weekly downloads - [mantine-datatable](https://npm.io/package/mantine-datatable.md) — 98.2K weekly downloads - [react-native-collapsible-tab-view](https://npm.io/package/react-native-collapsible-tab-view.md) — 70.6K weekly downloads - [@handsontable/vue3](https://npm.io/package/@handsontable/vue3.md) — 16.1K weekly downloads - [vuewordcloud](https://npm.io/package/vuewordcloud.md) — 7.2K weekly downloads ## Recent versions - 6.35.0 (latest) — 2026-06-30 - 6.34.5-nightly.20260630030734 (nightly) — 2026-06-30 - 6.29.7-next.0 (next) — 2025-06-17 - 6.29.2-hotfix.0 (hotfix) — 2024-07-22 - 6.29.0-windows-certificate.0 (windows-certificate) — 2024-05-28 - 6.28.4-new-wc.0 (new-wc) — 2024-02-20 - 6.28.4-new-wc-test.0 (new-wc-test) — 2024-02-20 - 6.28.4-wc-test.0 (wc-test) — 2024-02-14 - 6.28.3-start-exchange.0 (start-exchange) — 2024-01-31 - 6.28.2-custom-exchange.0 (custom-exchange) — 2024-01-09 - 6.27.20-tag-word.0 (tag-word) — 2023-10-25 - 6.27.16-notarizer.0 (notarizer) — 2023-06-22 - 6.27.13-recover-beta.0 (recover-beta) — 2023-04-01 - 6.27.13-recover-simu.0 (recover-simu) — 2023-03-24 - 6.27.13-recover-staging.0 (recover-staging) — 2023-03-22 - … 449 more at https://npm.io/package/@ledgerhq/hw-transport-web-ble/versions ## README [GitHub](https://github.com/LedgerHQ/ledger-live/), [Ledger Devs Discord](https://developers.ledger.com/discord-pro), [Developer Portal](https://developers.ledger.com/) ## @ledgerhq/hw-transport-web-ble Allows to communicate with Ledger Hardware Wallets. **[Web]** **(Bluetooth)** – [check browser support](https://caniuse.com/web-bluetooth). --- ## Are you adding Ledger support to your software wallet? You may be using this package to open a Bluetooth connection between your web application and the device. For a smooth and quick integration: - See the developers’ documentation on the [Developer Portal](https://developers.ledger.com/docs/transport/overview/) and - Go on [Discord](https://developers.ledger.com/discord-pro/) to chat with developer support and the developer community. --- ## API #### Table of Contents - [BluetoothTransport](#bluetoothtransport) - [Parameters](#parameters) - [Examples](#examples) - [exchange](#exchange) - [Parameters](#parameters-1) - [observeAvailability](#observeavailability) - [Parameters](#parameters-2) - [listen](#listen) - [Parameters](#parameters-3) - [open](#open) - [Parameters](#parameters-4) - [disconnect](#disconnect) - [Parameters](#parameters-5) ### BluetoothTransport **Extends Transport** react-native bluetooth BLE implementation #### Parameters - `device` **Device** - `writeCharacteristic` **Characteristic** - `notifyObservable` **Observable<any>** - `deviceModel` **DeviceModel** #### Examples ```javascript import BluetoothTransport from "@ledgerhq/hw-transport-web-ble"; ``` #### exchange Exchange with the device using APDU protocol. ##### Parameters - `apdu` **[Buffer](https://nodejs.org/api/buffer.html)** Returns **[Promise](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Promise)<[Buffer](https://nodejs.org/api/buffer.html)>** a promise of apdu response #### observeAvailability observe event with { available: bool, type: string } (available is generic, type is specific) an event is emit once and then each time it changes ##### Parameters - `observer` **any** #### listen Scan for Ledger Bluetooth devices. On this web implementation, it only emits ONE device, the one that was selected in the UI (if any). ##### Parameters - `observer` **any** #### open open a bluetooth device. ##### Parameters - `deviceOrId` **(Device | [string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String))** #### disconnect globally disconnect a bluetooth device by its id. ##### Parameters - `id` **any** --- _Source: https://npm.io/package/@ledgerhq/hw-transport-web-ble · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._