# Specter With firmware versions V1.1.1 (BTC-Only) or newer, you can set Specter V1.4.6 or newer as a watch-only wallet that functions as the companion app for Keystone Essential or Pro. ## **I. Preparation** 1\. [Firmware](https://keyst.one/firmware?locale=en) version V1.1.1 (BTC-Only) or newer running on Keystone Essential or Pro. (Please read[ How to upgrade firmware](https://support.keyst.one/getting-started/firmware-upgrading) for more details.) 2\. Specter V1.4.6 or newer installed and running on PC/Mac. 3\. MicroSD card (FAT32 format, capacity not exceeding 512 GB). {% content-ref url="../../getting-started/firmware-upgrading/how-to-format-a-microsd-card-to-fat32" %} [how-to-format-a-microsd-card-to-fat32](https://support.keyst.one/getting-started/firmware-upgrading/how-to-format-a-microsd-card-to-fat32) {% endcontent-ref %} ## II. Creating a Specter Watch-Only Wallet (BTC-Only) ### A. **Add Keystone Device on Specter** 1\. Click \[+ Add new device] > Select your device type \[Keystone] and enter the name.
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2\. You can choose to use a QR code or import a .json file to get the Xpub of the recovery phrase imported to Keystone. #### - Option 1: Via QR code 1\) Keystone > \[Menu] > \[Watch-Only Wallet] > Select \[Generic Wallet] and Touch \[Confirm] > Touch \[•••] > Select \[Export Wallet] and show the QR code.
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2\) Specter > click \[Scan QR Code], then scan the QR code shown on Keystone.
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#### - Option 2: Via File 1\) Insert the microSD card into Keystone > Touch \[Menu] > \[Watch-Only Wallet] > Select \[Generic Wallet] > Touch \[•••] > Select \[Export Wallet] > Touch \[touch here…] > \[Export].
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2\) Take out the MircoSD card from your Keystone and insert it into a PC/Mac. 3\) On Specter: Click on \[Uplaod from SD Card], then select and open the \[p2wpkh-pubkey.txt] file exported from Keystone.
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3\. Click \[Continue], add Keystone successfully.
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### B. **Add** Keystone **Simple Wallet on Specter** 1\. Click \[+ Add new wallet] on Specter and select \[Single key wallet].
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2\. Select the \[Keystone] device and click \[Continue].
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3\. Set the wallet name and click \[Create wallet].
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4\. Add Keystone simple wallet successfully.
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## III. Sending and Receiving Assets with Specter Wallet ### **A. Receiving Assets** 1\. On Keystone: Touch \[Addresses] to display the receiving addresses.
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2\. On Specter: Select your wallet (e.g. Keystone Single Sig Wallet) > Click on \[Receive] to display the receiving address.
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### **B. Sending Assets** #### 1. Create a Transaction with Specter 1\) Select your wallet (e.g. Keystone Single Sig Wallet) > Click one \[Send] > \[New] > Input the recipient address and amount > \[Create unsigned transaction].
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2\) Create the transaction successfully.
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#### 2. Sign with Keystone Hardware Wallet You can choose to sign the transaction on Keystone via a QR code or MircroSD card. #### - Option 1: Via QR code 1\) On Specter: Click on \[Keystone] > \[Sign with QR codes] > Specter displays the unsigned transaction data inr a QR code format.
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2\) Keystone > Press the \[Scan] icon > Scan the QR code shown on the Specter interface > \[Sign] > Enter the password and press \[Confirm].
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3\) On Specter: Click on \[Scan signed transaction] > Scan the QR code shown on Keystone.
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{% hint style="info" %} **OPTIONAL:** If your computer device has no camera, You can also sign transactions with the mircoSD card file. {% endhint %} #### - Option 2: Via mircoSD card file 1\) On Specter: Click on \[Keystone] > \[Sign with SD Card file] > \[save transaction to file] > click \[Save] to save the unsigned transaction file to a MicroSD card.
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2\) Take out the MircoSD card from a PC/Mac and insert it into your Keystone. 3\) On Keystone: Press the \[microSD card] icon > Select and open the unsigned transaction file > \[Sign] > Password verification > Press \[touch here...] to export signed transaction file to MicroSD card.
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4\) Take out the microSD card from your Keystone and insert it into PC/Mac. 5\) On Specter: Click on \[Upload signed transaction], then select and open the signed transaction file exported from Keystone.
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#### 3. Broadcast transaction on Specter Keystone signed successfully and you can choose to broadcast the transaction immediately or later.
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Instructions recommended: {% content-ref url="specter/specter-2-3-multi-sig" %} [specter-2-3-multi-sig](https://support.keyst.one/3rd-party-wallets/bitcoin-wallets/specter/specter-2-3-multi-sig) {% endcontent-ref %} {% content-ref url="specter/cobo-vault-+-coldcard-+-specter" %} [cobo-vault-+-coldcard-+-specter](https://support.keyst.one/3rd-party-wallets/bitcoin-wallets/specter/cobo-vault-+-coldcard-+-specter) {% endcontent-ref %}