Feature: 1. BLUETOOTH VERSION 5.0: Wireless bluetooth sound dongle adapter uses bluetooth version 5.0, no software installation, plug and play. 2. EASY TO USE: 30 pin bluetooth adapter transmits TV sound to your home combo speakers via bluetooth without the hassle of wiring. 3. 30 PIN BLUETOOTH TRANSMITTER: 30 pin bluetooth adapter can transmit to bluetooth headphones and enjoy excellent sound alone at night. 4. 10M TRANSMITTING DISTANCE: 30 pin wireless bluetooth adapter has an operating range of 10m and a frequency range of 2.42‑2.480GHz. enjoy wireless music. 5. APPLICABLE: 30 pin bluetooth transmitter is suitable for home, classroom presentations, conference presentations and other occasion. Specification: Item Type: 30 Pin Bluetooth Adapter Bluetooth Version: Bluetooth 5.0 Frequency Range: 2.42-2.480GHz Operating Range: . 10m/32.8ft How to Use:Plug and play Color: Black Material: ABS Package Contents: 1 x Bluetooth Adapter Only the above package content, other products are not included. Note: Light reflection 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.