What's in the box:

B18 2 in 1 BT Transmitter & Receiver BT Audio Adapter 3.5mm Stereo Audio Player Wireless A2DP (Standard)

B18 ia a 2 in 1 BT Transmitter & Receiver. As a BT Audio Transmitter, it can be connected to the audio devices without BT function via the included 3.5mm Audio Plug, changing these audio devices into BT-enabled audio devices, and making it work with BT-enabled Headset and Speaker. As a BT Audio Receiver, B18 can change the traditional Car Stereo systems and Home Audio System into BT-enabled ones, and easy to pair with BT-enabled Smart Phones, laptop, tablet, etc. With this product, you can greatly enjoy music from your phone, laptop, tablet without the hassle of cables. This 2 in 1 BT Transmitter & Receiver will give you much fun and convenience.

Features:
Receiver Mode:
Change the traditional Car Stereo system or Home Audio System into BT-enabled ones. After paired, play music wirelessly from your BT-enabled Smart Phones, Laptop, Tablet and more.
Transmitter Mode:
B18 can be connected to the audio devices (such as MP3, MP4, TV and PC, etc.) without BT function, changing them into BT-enabled ones, and making it work with BT-enabled Headset and Speaker.
Strong Compatibility:
Compatible with Android & iOS smart phones and PAD, almost all BT-enabled audio devices, and stereo system with 3.5mm port. Real-time low latency and high-quality audio transmission.
Low Power Consumption:
Built-in 300mAh Polymer Battery ensures up to 6 hours working time, you can enjoy wireless free all day long. Easy connection, without any driving and downloading APP.
Fast Connection:
Built-in enhanced signal transmission circuit, the connection is fast and stable. Automatic memory connection function, the operation is simpler and the connection is more convenient.

Specifications:
Model number: B18
Protocol Supported: A2DP
Transmission Distance: 10m / 33ft (open space)
Battery: Built-in Rechargeable Li-polymer battery (300mAh)
Working Time: 6 hours (depend on audio volume)
Charging Time: about 2 hours
Charging: Micro USB 5V/0.5A
Output: 3.5mm stereo interface
Input: 3.5mm stereo interface
Color: Black
Main Item Size: 6.8 * 3.5 * 1.2cm / 2.67 * 1.37 * 0.47in
Main Item Weight: 23g / 0.82oz
Package Size: 10.8 * 7.3 * 3.7cm / 4.25 * 2.87 * 1.45in
Package Weight: 81g / 2.88oz

Package List:
1 * BT Audio Transmitter & Receiver
1 * 3.5mm Audio Cable
1 * USB Charging Cable
1 * User Manual (English / Chinese)