CSR BC5 Bluetooth chip can transmit music to two receiving devices at the same time,3.5MM headphone port input. No delay, no floor noise, one-to-two function for receiving and transmittingProduct parameters:Bluetooth version: V4.0 supports A2DP, AVRCPWireless distance: more than 10 metersBattery capacity: 500MAHWorking time: 8 hoursCharging interface: Micro USBCharging voltage: DC 5VCharging time: about 2 hoursAudio input method: 3.5MMNo call: Not supportedProduct Usage:1, TX11 can wirelessly transmit the sound of TV, computer, laptop, TV box, MP3, etc. to Bluetooth receiving devices such as: Bluetooth headsets, popular SOUNDBAR, Bluetooth speakers, traditional amplifiers (requires Bluetooth receivers): saving customers the trouble of wiring, With the placement of TX11 speakers, it can be placed at will according to the user's preferences. The perfect sound effect can also be achieved without the constraints of the cable. Not only that, it is also suitable for night owls in certain situations, such as watching the World Cup, midnight dramas, etc. You need to bring a Bluetooth headset to watch it yourself.It will not affect the rest of your family and neighbors.2, TX11 is also a Bluetooth music receiver, which can easily be upgraded from a traditional audio to a Bluetooth audio