Description:OOTDTYbrand new and high quality.Feature:Powered by the latest CSR8675 chipset, BTI-031 is one of the first few Bluetooth-compatible transmitters/receivers which could support both aptX HD and aptX Low Latency.With aptX HD, you can enjoy truly High Definition (HD) audio; with aptX Low Latency, you can now watch video while listening to wirele in a synchronized fashion AND without any noticeable delay.By connecting your wired headphones or speaker to BTI-031 in the receiver(RX) mode, you could pair it with your smartphone or tablet, and enjoy the High Definition music wirelely.Moreover, you could remotely play/pause music, adjust volume up/down and change track forward/backward by using the volume controlling buttons.Thanks to the built-in microphone, you could now answer, hang up, refuse, or redial phone calls without touching your phone.Various functionalities that you could dream of are now fully packed into such a small form factor - extremely lightweight and portable.Bluetooth-compatible Transmitter/Receiver Adapter only, other acceories demo in the picture is not included!Specifications:Item Type: Bluetooth-compatible Transmitter/Receiver AdapterModel Number: BTI-031Bluetooth-compatible Version: Bluetooth-compatible V4.1, ClaIIBluetooth-compatible Chip: CSR BC8675Input: 5VDC 100-240V AC >=300MAWorking Temperature: -10-55/14-131Frequency: 2.402-2.480GHzReceiver Working Time: app.7hTransmitter Working Time: app.8hCharging Time: app.2hMaterial: ABSSize: 5x4.5x1.5cm/1.9x1.7x0.5in3.5MM Cable Length: app.15cm/5.9inUSB Charging Cable Length: app.83cm/34.6inColor: As shownQuantity: 1 SetNote:Transition: 1cm=10mm=0.39inchPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Includes:1 x Bluetooth-compatible Transmitter/Receiver Adapter1 x 3.5MM Cable1 x USB Charging Cable1 x User Manual