BT 5.0 2-in-1 Audio Adapter with LCD Visual Screen BT Receiver & Transmitter Adapter 8 Devices Displayed / Wide Compatibility Black Features: BT 5.0 Chip: With an intelligent chip, it offers stable transmission without stuttering, faster and more stable. RX+TX 2-in-1 Design: Receive RX transmit TX 2-in-1 design, free to switch to meet your different needs. Visual Display: With a maximum of 8 device names waiting to be matched listed on the display, it's more intuitive and convenient to use. Plug and Play: No driver needed, easy to use. Portable Design: It is small and portable, easy to carry in your backpack or laptop bag. Strong Compatibility: This receiver and transmitter adapter can be widely used on your computer, laptop, home stereo system, headphones, smartphone, MP3 player, CD player, etc. Specification: Product Name: BT Adapter Input Voltage: DC/5V BT Version: BT 5.0 Input Interface: 3.5mm audio cable Wireless Profile: V5.0 EDR, A2DP,HSP,AVRCP Range: Up to 10 meters in open area without obstacles Item Size: 8.2*2.94*1.33cm / 3.23*1.16*0.52in( L * W * H) Item Weight: About 16.5g /0.58oz Package Size: 10.3*6.9*1.8cm / 4.06*2.72*0.71in(L * W * H) Package Weight:39g /1.38oz Package List: 1 * Wireless Receiver and Transmitter Adapter 1 * 3.5mm Audio Cable 1 * User Manual