CUFFIE+MICROFONO CONCEPTRONIC ALVAH02B NERE Bluetooth 5.4 - durata batt.30H-microfono integrato-ingr.audio 3.5mm

ALVAH02B Bluetooth Stereo Headset with Active Noise Cancellation
Advanced active noise-canceling technology reduces up to 95% of ambient noise
Bluetooth 5.4 wireless connectivity
Bluetooth profile: A2DP / AVRCP / HFP / HSP
Dual-device connection for using two Bluetooth devices simultaneously
All-day battery life: 25 hours talk time or 30 hours music playback
Built-in microphone for hands-free voice calls
3.5mm audio input
Comfortable, soft protein ear pads and adjustable headband
Foldable design for easy storage and travel
Includes a carrying case for headset protection and enhanced mobility

General
Color: Black
EAN: 4015867235980
Model Number: ALVAH02B

Miscellaneous
Connection mode: Bluetooth
Plug type: USB-C plug

Others
Approval and Compliance: CE, RoHS
Package Contents: 
- ALVAH02B
- USB-C to USB-A charging cable
- 3.5mm audio jack cable
- Carrying case
- Multilingual quick installation guide

System specifications
Audio system: 2.0 Channel
Battery capacity (mAh): 400
Battery capacity (Wh): 1.48
Battery voltage: 3.7
Bluetooth version: 5.4
Frequency band: 20Hz-20KHz
Impedance (ohm): 32Ω
Audio power in RMS: 5mW
Signal to noise ratio: ＞80dB