VH-1804, Bluetooth® V4.0 Mono Headset


* Bluetooth V4.0 + EDR
* With 3 function keys and 1 LED indicator
* With HSP, HFP, A2DP, and Battery service profiles
* Supports multi-pairing and multi-point connection
* Qualcomm® cVc™ noise cancellation technology for noise suppression and echo cancellation
* Battery capacity indication shown on iOS devices
* One MEMS digital microphone
* Supports Voice Recognition for answering a call
* Supports Voice Prompt for real-time function feedback
* Powered by a rechargeable Lithium Polymer battery

--Trademark Attribution Footnote--
* Qualcomm is a trademark of Qualcomm Incorporated, registered in the United States and other countries. Qualcomm cVc is a product of Qualcomm Technologies International, Ltd.

Description VH-1804
Standard Bluetooth V4.0 + EDR
Bluetooth Profile  HSP, HFP, A2DP, Battery Service
Operating Range 10 Meters
Operating Frequency 2.4GHz - 2.4835GHz ISM Band
Buttons 3  Pick up / Hang up / Pairing / Vol+ / Vol - / Last number redial / Voice dial / Reject
RF Output Power 4 dBm 
Connection Point-to-Point
Multi-Point 2
Multi-Pairing 8
Power Supply +3.7V Lithium Polymer Battery
Operating Temperature 0°C to 50°C
Storage Temperature -10°C to 60°C
Operation Current < 13 mA 
Low Power Mode < 1 mA  
Talking Time Up to 7.5 hrs
Standby Time Up to 150 hrs
SNR (DAC) 93 dB
SNR (ADC) 88 dB
Charging Time 1.5 ~ 2 hrs
Weight 7.05g
Dimensions 32.7 x 15 x 12.95mm