Computer · OneKey app · Bluetooth · Bitcoin / EthereumSupport for wallet setup is unconfirmed
Computer · OneKey app · QR · Bitcoin / EthereumSupport for wallet setup is unconfirmed
Ledger Flex:
✓
USBLedger Wallet · Bitcoin / Ethereum
iPhone
OneKey Pro 2:
✓
BluetoothOneKey app · Bitcoin / Ethereum
✓
QROneKey app · Bitcoin / Ethereum
iPhone · OneKey app · QR · Bitcoin / EthereumSupport for wallet setup is unconfirmed
Ledger Flex:
✓
BluetoothLedger Wallet · Bitcoin / Ethereum
Android
OneKey Pro 2:
✓
BluetoothOneKey app · Bitcoin / Ethereum
✓
QROneKey app · Bitcoin / Ethereum
Android · OneKey app · QR · Bitcoin / EthereumSupport for wallet setup is unconfirmed
Ledger Flex:
✓
USB · BluetoothLedger Wallet · Bitcoin / Ethereum
What they have in common
Cryptocurrencies
Multiple cryptocurrencies
Both
Controls / Display
Touchscreen
Both
Wallet recovery
Recovery phrase
Both
Battery
Rechargeable
Both
Not fully confirmed
Operating power
OneKey Pro 2:Not confirmed
Ledger Flex:Not recorded
Before you choose
Consider
OneKey Pro 2QR signing depends on the network and firmware. Check availability and estimated delivery for your chosen color at OneKey’s store.
Ledger FlexiPhone connects by Bluetooth. Android connects by USB or Bluetooth. NFC does not replace USB or Bluetooth for ordinary transactions. Cryptocurrency support depends on the app.
Use OneKey App on Windows, macOS or Linux with current, compatible app and Pro 2 firmware. Linux USB may require OneKey’s udev rules. Check support for your exact asset, network and task; OneKey App’s software-wallet listings do not establish this hardware route.
OneKey appBluetoothBitcoin / EthereumWindows · macOSSupport for wallet setup is unconfirmedConnection requirements
Use an initialized, unlocked Pro 2 with current, compatible OneKey App and firmware on Windows or macOS. Enable Bluetooth on Pro 2, in the app and on the computer, with the required permissions. Initial device setup over this route is unconfirmed.
OneKey appQRBitcoin / EthereumWindows · macOS · LinuxSupport for wallet setup is unconfirmedConnection requirements
Use an initialized Pro 2 in Air-Gap mode and current, compatible OneKey App and firmware. The phone or computer needs a working camera and permission to scan the response QR. Use supported Bitcoin PSBT or Ethereum/EVM QR formats.
Use OneKey App on iPhone or Android with current, compatible app and Pro 2 firmware. The mobile app uses Bluetooth for direct hardware connections. Check the app’s installation requirements separately.
OneKey appQRBitcoin / EthereumSupport for wallet setup is unconfirmedConnection requirements
Use an initialized Pro 2 in Air-Gap mode and current, compatible OneKey App and firmware. The phone or computer needs a working camera and permission to scan the response QR. Use supported Bitcoin PSBT or Ethereum/EVM QR formats.
Ledger Flex
Computer
Ledger WalletUSBBitcoin / EthereumWindows · macOS · Linux
OneKey Pro 2:84.9 × 53.2 × 6.2 mmDimensions as listed by the manufacturer
Ledger Flex:78.4 × 56.5 × 7.7 mmDimensions as listed by the manufacturer
Device weight
OneKey Pro 2:Sources disagreeOneKey’s product and store pages list 51 g; its launch article says 53 g.
Ledger Flex:57.5 g
Power and charging
Battery chemistry
OneKey Pro 2:Lithium-ion polymer
Ledger Flex:Not recorded
Battery life
OneKey Pro 2:Not confirmed
Ledger Flex:Up to 10 hrUsage conditions not stated
Battery capacity
OneKey Pro 2:700 mAh
Ledger Flex:Not recorded
Nominal voltage
OneKey Pro 2:3.85 V
Ledger Flex:Not recorded
Capacity after charge cycles
OneKey Pro 2:At least 500 charge cycles with at least 80% capacity remaining
Ledger Flex:Not recorded
Storage while switched off
OneKey Pro 2:Can still power on after approximately 7 months stored switched off, starting fully chargedTypical manufacturer laboratory results. Performance varies with temperature, usage, and self-discharge. For long-term storage, keep the device in a cool, dry place at 40–60% charge.
