1、2 in 1, support RX and TX two kinds function, one key switching, easy to operate, practical and convenient. 2、Long working time, built‑in 300mah battery, wireless adapter can support up to 6 hours of working time. 3、Compact and lightweight, convenient to carry and doesn't take up much storage space. 4、Large LCD screen, in TX mode, wireless adapter will display 8 Bluetooth devices around adapter for easy user connection. 5、Hands‑free function, one key to answer call and start hands‑free function, bringing great convenience for driving. 6、Easy to install, no drive installation designed, making easier to install wireless adapter. 7、Bluetooth 0 technology, supports cover range of up to 15m, bringing more stable and smoothly music experience. 8、Widely used in computers, laptops, TV, speakers, headphones, telephones, car radios, power amplifiers, etc. 1 x Receiver Transmitter1 x Manual 1 x Charging Cable1 x Audio Cable Condition: 100% Brand NewItem Type: Wireless AdapterModel: T14Material: Plastic + Electrical ComponentsColor: BlackBluetooth： 5.0 EDR，A2DP，HSP，AVRCPFrequency： 2.4GHz- 2.48GHzBluetooth Transmission Distance: ≤15MBluetooth Receiving Distance: ≤15MCharging Voltage：DC 5VBluetooth Receiving Function: Connect 1 Mobile PhoneBluetooth Transmission Function: Connect 1 Pair Bluetooth HeadsetScreen Display: Can Display the Name of 8 Devices to Paired(Transmit)/Can Display the Name of Paired Mobile Phone(Receive)Battery: Built-in 300mahWorking Time: About 6 HoursWeight: Approx. 61g