BK3221Bluetooth Module/Botong Bluetooth Audio Module/Design Botong Bluetooth Speaker
Product overview
BM-3221 Bluetooth module is a self-developed intelligent wireless audio data transmission product of our company, which is a low-cost and cost-effective stereo sound wireless transmission scheme, the module adopts BEKEN chip to provide the module with high-quality sound quality and compatibility, and the overall performance is better. BM-3221 Bluetooth module adopts the drive-free mode, customers only need to connect the module to the application products, which can quickly realize the wireless transmission of music and enjoy the fun of wireless music.
Application fields
this module is mainly used for short-distance Music Transmission, which can be easily connected with Bluetooth devices of digital products such as laptops, mobile phones, PDA and so on to realize wireless transmission of music.
* Bluetooth stereo
* Bluetooth Stereo Headset
The hands-free telephone
Bluetooth Wireless Transmission Audio
Basic characteristics
Bluetooth Profiles
Bluetooth v2.1+EDR specification support
A2DPv1.2
AVRCPv1.0
HFPv1.5
Performance parameters
model BM-3221
Bluetooth specifications Bluetooth V2.1 + EDR
supply Voltage: 3.3v
supports Bluetooth protocol HFPV1.5, A2DPV1.2,AVRCPV1.0
work current ≤ 60mA
standby current <500uA
temperature range-40oC to + 85oC
wireless transmission range: more than 10 m
transmission power: CLASS2,3db
sensitivity:-80khz <0.1% BER
frequency range: 2.4 GHz-2.480GHz
external interface: 2C, SPI and UART interface
audio performance SBC decoding
audio signal-to-noise ratio: ≥60db
module size: 23X14.5 MM
Datasheet: BK3221
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