Features Transmit audio signal from TV, DVD, MP3 and other musical devices to Bluetooth speaker, Bluetooth earphone Adopts high-quality CSR chip Supports A2DPV1.2 Supports Bluetooth V2.1+ A2DP Ultra-fast audio transter General Specs 　 Brand & Model H-266T Type Bluetooth Audio Transmitter Bluetooth Version V2.1+ A2DP Effective Range 10 m Standby Time About 120 hours Compatibility TV, DVD, MP3 and other music play device Power Supply 5V Material ABS Package Details Weight: 94.16 g Size: 12*7.3*3.3 cm