[Bluetooth 5.0 and low latency] Bluetooth 5.0 provides users with excellent audio quality when playing or listening to music. Only when the Bluetooth headset or Bluetooth speaker of the Bluetooth adapter supports low latency, this switch Bluetooth transmitter can be set to smooth low latency transmission. [Dual playback and great gift] This Bluetooth transmitter can pair your switch or other devices with two pairs of Bluetooth headsets synchronized with low-latency technology. This is a smart gift to share the time with your friends while enjoying excellent audio quality on the switch. [No battery] No need to install batteries, no additional charging, just plug in this Bluetooth adapter to play anytime and anywhere, no need to charge in advance. It will be powered directly by your plug-in device, with low power consumption and no battery problems. Bluetooth transmission distance: 10 meters Operating frequency range: 2.402GHZ-2.480GHZ Support protocol: A2DP, AVRCP Material:Metal + plastic colour:Black Package Contents: 1 x Bluetooth 5.0 audio transmitter 1 x USB adapter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.