iTALK U2 specifications
Review product capabilities and deployment conditions. Consult QHD for complete electrical, interface and compatibility details for your project.
Communication and connectivity
- Bluetooth version
- Bluetooth 6.2
- Voice audio
- HFP two-way voice
- Voice codecs
- mSBC preferred, with CVSD fallback
- Control protocol
- BLE GATT for PTT, status and device management
- Operating band
- 2.4 GHz ISM; channel center frequencies 2.402-2.480 GHz
- Simultaneous connections
- 1 phone
- Reconnection
- The device advertises again; the phone initiates the connection
- Talk mode
- Full duplex with the iTALK App
- Talk control
- Lower the boom for sustained talk
- Side controls
- Channel selection, volume up/down and one-press mute
Audio components
- Microphones
- 2 two-wire analog electret microphones: voice and reference
- Primary microphone sensitivity
- −42±3 dB (1 kHz, 94 dB SPL, 2.0 V, RL=2.2 kΩ)
- ENC
- Dual-microphone ENC for voice, software controlled
- Echo suppression and sidetone
- Not supported
- Microphone distortion test point
- THD≤3% at 115 dB SPL, 1 kHz (2.0 V, RL=2.2 kΩ)
- Listening
- Single-ear headset with one listening driver
- External speaker
- None
- Driver impedance
- 32 Ω
- Driver sensitivity
- 96±3 dB SPL (1 kHz, 10 mW, 10 mm)
Battery and power
- Battery type
- Replaceable 18500 lithium-ion bare cell
- Battery life
- 16+ hours; actual life varies with usage and battery condition
- USB port
- USB Type-C for charging, firmware updates and USB UAC audio
- Charging input
- 5 V / 2 A
- Battery charging current
- 1.2 A
- Use while charging
- Supported
Wearing and environment
- Wearable form
- Single-ear headset with adjustable headband and earcup
- Storage
- Each side rotates inward by 90° for flat storage
- Identification
- Replaceable number labels 1-10
- Operating temperature
- 0-45 °C
- Storage temperature
- −10-45 °C
