Mpow BH281A

Bluetooth Transmitter
User Manual
Specifications
Bluetooth Version: V 5.0
Bluetooth Chip: CSR 8670
Product Model: BH281A
Output Power Category: Class Ⅱ
Bluetooth Range: 15 meters
Bluetooth Protocol: A2DP
Frequency Range: 2.402 GHz～2.480 GHz
Battery Capacity: li-ion 250 mAh
Bluetooth Codecs: aptX™ low latency, aptX™ and SBC
Diagram
1.Multifunction Button: short press to activate pairing mode; long press for 5 s to clear pairing
list.
2.Power Switch
3.Micro USB Charging Port
4.Audio Port
Low Latency Function
BH281A supports aptX™ low latency (APTX LL) and aptX™ (APTX)
You can experience the low latency function only if your Bluetooth headphones and Bluetooth
speakers etc. support aptX™ low latency (APTX LL) and aptX™ (APTX).
1.Power On / Off
Power On: turn the Power switch to “ON” position. And the blue indicator light will flash quickly

Mpow BH281A Specifications

General

Bluetooth Version	5.0
Bluetooth Range	10 meters (33 feet)
Input	3.5mm audio jack
Transmission Range	10 meters (33 feet)
Compatibility	Bluetooth-enabled devices

Summary

Bluetooth Transmitter Specifications

Bluetooth Version and Chipset

Details Bluetooth version 5.0 and CSR 8670 chipset for the transmitter.

Product Model and Range

Identifies the product as BH281A with an operational range of 15 meters.

Frequency Range and Battery

Specifies operating frequency range and battery capacity of 250 mAh li-ion.

Supported Bluetooth Codecs

Lists supported codecs: aptX™ low latency, aptX™, and SBC for audio transmission.

Device Diagram and Controls

Physical Interface Ports

Details the Micro USB charging port and the 3.5mm audio output port.

Operational Buttons

Explains the Multifunction button for pairing and the Power Switch.

Low Latency Functionality

Low Latency Codec Support

BH281A supports aptX™ LL and aptX™ for low latency audio experience.

Powering On and Off

Instructions for powering the device on and off using the power switch.

Bluetooth Pairing Operations

Entering Pairing Mode

Steps to enter pairing mode for connecting Bluetooth devices.

Connecting to First Headphone

Guide for connecting the transmitter to a Bluetooth headphone or speaker.

Connecting to Second Headphone

Procedure to pair a second Bluetooth headphone or speaker simultaneously.

Advanced Functions and Notes

Bluetooth Reconnection

How the device automatically reconnects to previously paired devices.

Clearing Pairing List

Instructions on how to clear the transmitter's saved pairing history.

Low Battery and Charging Indicator

Details on low battery warning signals and charging status indicators.

Important Usage Notes

Key notes on pairing, potential issues, and device compatibility.

FCC Compliance Information

FCC Rules Compliance Statement

Equipment tested and found to comply with FCC limits for Class B digital device.

Interference Correction Measures

User guidance on correcting potential radio interference issues.

Operational Conditions

Device must not cause harmful interference and must accept received interference.