B2 Wireless Stereo BT Receiver BT 4.1 + EDR Audio Music Box with Mic 3.5mm RCA for Speaker Car AUX Home Audio System Devices

The BT Receiver is specially designed for Car Stereo systems and Home Audio System. And, it 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 & MP3 without the hassle of cables. It is perfectly suitable for the car owners. 

Features:
Magical Function: The BT Receiver Change the traditional Speakers into BT-enabled ones. After paired, play music wirelessly from your BT-enabled Smart Phones, Laptop, Tablet, etc. Support Automatic Re-connection. 
Great Hardware: BT 4.1 + EDR ensure stable signal, super-fast data transmission and high-fidelity stereo sound.   
Compatible with Most Speakers: Connect the BT Receiver with any Audio Input Devices, Stereo System (Car Stereo Systems, Home Audio System) & Speaker through standard RCA or 3.5 mm jack. 
Integrated Multi-point Technology: Can simultaneously connect two smarts phone. Also Support Voice Prompt.
Embedded 48MIPS Dual MAC DSP co-processor.  
Support Noise Suppression and Echo Cancellation, offering you Magnificent Stereo Sound & Wonderful Sound Quality. 
Compatible with Lossless Audio Format; Support Stereo Codec; Support AUX Output. 
Superior wireless performance; Transmit up to 30 feet away with line of sight.
Perfectly Compatibility: For iOS / Android Smart Phones, PAD and other BT-enabled Devices.

Specifications:
Model Number: B2
BT Version: BT 4.1 + EDR, Class 2. 
Support BT Protocols: AVRCP, A2DP 1.3, HFP, HFP1.6, HSP1.2, SPPV1.2. 
BT Operating Distance: > 10m
Output Connection Way: 3.5mm Stereo Interface.  
Working Current: ≤ 20mA  
Standby Current: ≤ 20uA 
Built-in Battery: 300mAh
Charging Current: 250mAh
Working Time: 8 ~ 10 hours
Standby Time: 15 hours 
Charge Time: 3 hours
Charge Port: Micro USB 5V / 0.5A
Color: Black
Item Size: 11.0 * 6.0 * 1.5cm / 2.17 * 0.98 * 0.39in
Item Weight: 12g / 0.43oz
Package size: 14.0 * 11.5 * 3.0cm / 4.33 * 2.95 * 0.79in
Package weight: 41g / 1.47oz

Package List:
1 * BT Receiver
1 * 3.5mm Connection Cable
1 * 3.5mm to RCA Audio Cable
1 * USB Cable 
1 * English User Manual