1. Bluetooth V5.0, with good wireless transmission performance (backward compatible with Bluetooth V4.0, V3.0 and V2.1).<br> 2. Prepare memory for matching devices.<br> 3. The maximum transmission distance exceeds 10m/32.8ft.<br> 4. USB charging takes 2 hours, service time less than equal 15H. Integrated solution for Bluetooth receiver and transmitter.<br> 5. Easily pair with Bluetoothenabled smartphones, tablets, desktops and laptops for RX model. Easily pair with Bluetooth headset, earplug, speaker, etc for TX model. Plug and play, no driver or software required.<br> Item Type: Bluetooth Transmitter<br> Model: TX8<br> Weight: . 65.0g<br> Bluetooth version: V5.0<br> Battery capacity: 3.7V/300mA<br> Working hours: 8-12 hours<br> Charging current: 120mA, quick charging for 2 hours<br> Frequency response: 20Hz-20KHz<br> Rated input: DC5V-500mA<br> Sensitivity (SPL) : 100 x 3dB<br> colour:Black<br> Material:ABS<br> Package Contents:<br> 1 x Bluetooth audio transmitter<br> Only the above package content, other products are not included.<br> 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.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store