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MindTree Consulting has created a reference design of Bluetooth™ Headset. The Bluetooth™ Headset is a lightweight, compact device that provides wireless audio connection and hands-free operation using Bluetooth™ wireless technology. The headset can communicate with a mobile phone, PC or any Bluetooth™ enabled device with the support of Bluetooth™ headset profile.

 
Features
Bluetooth™ Wireless Technology with a range of 10m from a Bluetooth™-enabled instrument.
Embedded Bluetooth™ stack with headset profile
Call Answer / End Control buttons. (Mobile Instrument / Network dependent)
Volume / Mute controls
Talk time of up to 5 hours between charges
Standby time in excess of 100 hours
Quick charging takes only 1.2 hours
Low Battery indicator
Continue your conversation while charging feature
External AC adapter for battery charging
Audio parameters
PCM CoDec with filters at pre-sampling and post-reconstruction stages
A-Law / µ-Law companding or 3/4 bit CVSD companding
13-Bit Linear ADC and DAC
30dB gain for microphone signals
Signal to Noise Ratio of 30dB over a dynamic range of 40dB
Framework comes here