This item integrates the Bluetooth audio music receiver and USB EU wall charger， which can bring you much convenience and fun. And， it can change the ordinary speaker into the Bluetooth-enabled speaker. With this product， the ordinary speaker can wirelessly play music of your smart phones， Tablet PC， notebook and other Bluetooth-enabled devices， and you can greatly enjoy music from your wired speaker. What's more， an extra USB charging port can provide fast charging to your USB enabled devices.
 
Features:
Mini portable USB charging Bluetooth Receiver， compact and portable.
Turns ordinary speakers into Bluetooth speakers.
Compatible with any high-end speaker with 3.5mm audio interface and RCA input interface.
Perfectly suitable for home use， travelers or businessman use. 
Extra USB port provides fast charging to your USB enabled devices.
The operating range is up to 10m.
LED indicator displays status.
Built-in protection can prevent short-circuiting， over-current and over-voltage.

Specifications:
Model number: TS-BTPWR
Bluetooth version: Bluetooth V2.1 + EDR
Supported Bluetooth profiles: A2DP， HSP， HFP， OPP， OBEX， DUN
Frequency range: 2.4GHZ-2.4835GHZ
Stereo chip: OVC3860 
Audio quality: High acoustic fidelity sound
Interface: Standard 3.5mm audio (HiFi surround) output interface and 5V USB interface
Working voltage: 3.3~4.2V
Working current: 40mA
Operating range: 10 ~15m (Maximum up to 20m at free space)
Output impedance: 32ohmh    
Total harmonic distortion: 0.6% 
Noise signal ratio: ≥ 60dB
Input voltage : 220V-110V 
Color: Black
Main item size: 7.0 * 6.0 * 4.2cm / 2.76 * 2.36 * 1.65in
Main item weight: 53g / 1.87oz
Package size: 8.0 * 6.5 * 4.5cm / 3.15 * 2.56 * 1.77in
Package weight: 72g / 2.55oz

Package list:
1 * Bluetooth Audio Receiver with USB EU Wall Charger 
1 * 3.5mm Audio Cable
1 * (English / Chinese) User Manual