Product Description

Features:

The appearance of the product is exquisite.

Adopt a high-end chip design.

CSRs latest ANC noise reduction and echos cancellation technology

Support TX dual-stream, RX multi-point connection.

SPDIF, I2S audio input/output interface, can be switched freely

Built-in rechargeable battery, long battery life

Support SBC, MP3, AAC/apt-X HD/apt-X LL/apt-X audio formats

16Mb built-in eFlash and up to 64Mb external serial flash memory, digital-to-analog conversion signal-to-noise ratio up to 75dB

Support TWS (left and right channel separation)

The product connection is simple, without any cumbersome driving and downloading APP.

Specifications:

Model: B20 Bluetooth 5.0 Receiver and Transmitter

Bluetooth version: Bluetooth V5.0

Support protocol: RX: A2DP AVRCP TX: A2DP

Working frequency: 2.402GHz -2.480GHz

Power level: Power level 2 (Class II)

Sensitivity: (-80dBm<0.1%BER)

S/N ratio: ≥75dB

Distortion: ≤0.1%

Codec TX: for apt-X HD/apt-X LL/apt-X, SBC;

RX: for apt-X HD/apt-X LL/apt-X, SBC, AAC;

Note for use of for APTX: Priority support for apt-X HD CODEC in single connection (the connected device must also support for apt-X HD)

Working current: ＜35MA

Built-in battery: 600MAH

Charging current: about 200MA

Charging time: about 3 hours

Lifetime: RX is about 18H, TX is about 22H

Bluetooth distance: ﹥10M (open place)

Charging method: Micro USB 5V/0.5A

Input/output connection mode: SPDIF interface, I2S AUX interface

Compatible with Android, IOS system mobile phones and PAD, and Bluetooth speakers or earphones that support A2DP protocol to connect and use.

Support Dual stream (TX mode) Support (a transmitter is connected to two Bluetooth speakers or headphones at the same time to use a CODEC)

Support Multipoint (RX mode) Support (connect two mobile phones)

Package Included:   

1 x Optical Fiber Bluetooth Transceiver 

1 x Product Manual 

1 x Optical Fiber 

1 x USB Charging Cable 

1 x 3.5MM Audio Cable 

1 x RCA Audio Cable

More Detailed Photos: