一,product descriptionThe F-3288-15 Bluetooth module is an intelligent wireless audio data transmission product independently developed by the company. It is a low-cost and high-efficiency stereo wireless transmission solution. The module uses the CSR8615 chip to provide the module with high-quality sound quality and compatibility. The overall performance is more optimized. The F-3288-15 Bluetooth module adopts a driver-free mode. Customers only need to connect the module to the application product to quickly realize the wireless transmission of music and enjoy the fun of wireless music.二,Application area

This module is mainly used for short-distance music transmission,  can be easily connected to Bluetooth devices of digital products such as laptops, mobile phones, PDAs, and so on to realize wireless transmission of music.

※ Bluetooth speaker

※ Bluetooth mono headset

※ Hands-free phone

※ Bluetooth wireless audio transmission

三,Basic characteristics

BluetoothProfiles

※Bluetoothv4.0specificationsupport

※HFPv1.6widebandspeech(HDvoiceready)

※HsPv1.2

※ A2DPv1.2

※AVRCPv1.4

※supportforsmartphoneapplications(apps)～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～

ImprovedAudioouality

CsR'slatest1.micCVCaudioenhancementsfornarrowbandandwidebandconnectionsincluding:※1.micfar.endaudioenhancements

※Near.endaudioenhancements(noisesuppressionandAEo)

※windnoisereduction

※Packetlossconcealment

※Biterrorconcealment

※Automaticgaincontrolandautomaticvolumecontrol

※Frequencyexpansionforimprovedspeechintelligibility

※msBCcodecsupportforwidebandspeech

～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～

MusicEnhancements

※Configurable5.bandEoformusicplayback(rock,pop,classical,jazz,danceetc)

※sBC,MP3,AACandFaststreamdecoder

※stereowidening(s3D)

※VolumeBoostAdditionalFunctionalityAdditionalFunctionality

※supportforvoicerecognition

※supportformulti.languageprogrammableaudioprompts

※CsR!sproximitypairingandCsR!sproximityconnection※MultipointsupportforHFPconnectionto2handsetsforvoice

※MultipointsupportforA2DPconnectionto2A2DPsourcesformusicplayback

※Talk.timeextension Pin definition diagramApplication circuitNote: 1. Use internal charging current up to 250mA,2. Use external charging current up to 750mA.Stereo LINE\IN input and MIC conversion circuitRecommended reflow temperature

Keyfeaturesoftheprofile:

.InitialRamp＋1.2.5℃/secto175℃equilibrium

.Equilibriumtime＋60to80seconds

.RamptoMaximumtemperature(250℃)＋3℃/secMax

.Timeaboveliquidustemperature(217℃):45.90seconds

.Deviceabsolutemaximumreflowtemperature:250℃