3.5mm Wireless Bluetooth Receiver Stereo Audio Music Bluetooth Receiver Adapter for Speaker Car 100% Brand New and High Quality Specifications: Type: Bluetooth Audio Receiver Material: Plastic Color: Black, White Quantity: 1 pc Item Color: As The picture show Bluetooth Version: 4.1 Frequency Range: 2.4GHz Profile: A2DP Transmission Range: Up to 10m / 33ft I/O: 3.5mm female plug, Mini USB female port Power Supply: DC 5V Charge Time: About 30 min Working Time: About 4h Size: 1.4*1.5*5.8cm / 0.5*0.6*2.3 (L*W*H) Net Weight: 0.015kg / 0.5oz Package Includes: 1* Bluetooth audio receiver 1* 3.5mm to 3.5mm adapter 1* USB Cable 1* Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.