ماژول بلوتوث صوتی BL3221 V1.0

BK3221 Bluetooth Compatible Module/Botong Bluetooth Compatible Audio Module/Design Botong Speaker

Product overview: BM-3221 module is a self-developed intelligent wireless audio data transmission product of our company, which is a cheap 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. II. Application fields: This module is mainly used for short-distance music transmission, which can be easily connected to Bluetooth devices of digital products such as laptops, mobile phones, PDA and so on to realize wireless transmission of music.

Bluetooth V2.1+EDR

Supply voltage: 3.3 V

supports Bluetooth protocol HFPV1.5, A2DPV1.2, AVRCPV1.0

Operating current ≤60 mA

Standby current <500 µA

Temperature range -40°C to +85° C

Wireless transmission range: more than 10m

Transmission power: CLASS2.3dB

Sensitivity: -80dBm

Frequency range: 2.4-2.480GHz

External interface: I2C, SPI and UART interface

Audio performance Audio decoding SBC

SNR: ≥60dB

Module size : 25X13.5X1.8mm