Features:

• Equipped with Bluetooth connection password to prevent others from accidentally connecting.

• Ultra small size, easy to embed into modified products

• Dual channel stereo output, compatible with most market devices such as amplifiers, home audio, and car audio systems

• Standard MICRO MINI USB 5P interface, equivalent to Android phone charging port, can be powered by phone data cable

• Specific DIY embedded modification pins can be inserted and soldered onto one's own circuit board for modification

• High fidelity output circuit, resistance capacitance isolation, no noise, and excellent sound quality effect

• Wireless USB flash drive, memory card, and button settings, pure mobile operation connection for playing MP3

• Equipped with 1 state foot, available for professionals to use

Specification:

• Power supply voltage: DC 3.7-5V

• Power supply interface: MICRO USB port or 2.54mil pin port

• Bluetooth name: BM3

• Bluetooth password for this batch of goods: 1688 (password needs to be entered to connect, cannot be modified)

• Communication distance: 3-12 meters (varies due to environmental barriers)

• Supports Bluetooth version: Supports Bluetooth 4.1 or below

• Support for mobile systems: Android, Apple systems

• Channel: Dual channel

• Audio quality: MP3 lossless decoding

• Built in amplifier: None

• External amplifier: No limitation on external amplifier size

• PCB thickness: 1.6mm

• Needle spacing: 2.54mil

• Color:Red,Black

• Size:3.3cm/1.29inch x 3.5cm/1.38inch x 1.1cm/0.43inch.

Package Included:

• 1 x Digital Power Audio Amplifier Board

NO Retail Box. Packed Safely in Bubble Bag.