Item Type: Bluetooth Transmitter ReceiverMaterial: PVCBluetooth Version: 5.0Bluetooth Name: BT-10Connection Range: Approx. 10m/32.8ftBattery Capacity: 200mah Lithium Ion Battery (Delivered with Battery)Snr: 90dBFunction: Receive + Transmit + Call 3 in 1Package List1 x Bluetooth Transmitter Receiver1 x 3.5mm Cable 1 x Charging Line 1 x RCA Cable 1 x Description 1[Transfer Function] Wirelessly transfer stereo from a non Bluetooth source such as a TV, MP3, CD player, PC or e book reader to a Bluetooth enabled headset, speaker or receiver. 2[Receiver Modes] With the aptX LL in RX mode, the Bluetooth adapter converts an old wired headset or speaker into a Bluetooth headset or speaker. It can pair with two phones or tablets, but can only receive from one of the two paired devices. 3[Transmission Mode] In TX mode, the Bluetooth transmitter can be paired with two BT headphones or speakers and transmitted to them simultaneously. Compact design, portable. 4[Stable Performance and Compatibility] Rich interface design, receiving and transmitting dual mode, easy to switch. The TV Bluetooth transmitter has good compatibility with most Bluetooth headsets. 5[Superior Sound Quality and Convenient to Use] You can enjoy CD like sound wirelessly on your home stereo or wired speakers. Built in battery supports charging while working.