Sound Track: Double; Wireless Type: Bluetooth; WIFI Standard: None Support Memory Card: No; Content: Audio; Colour: Black Material: ABS; High Definition Support: None; Support Apt-x: Yes Interface: 3.5mm; Feature: None; Support AAC: No New Bluetooth 4.0 Stereo Audio Splitter Adapter Music Receiver Sharing Device for Earphone for Mobile Phone Dual Audio Bluetooth Transmitter Bluetooth Transmitter sends stereo sound from your TV to two pairs of headphones at the same time. Ideal for watching shows in the evening without disturbing others. Connect it to your TV via the headphone socket, optical out, or composite audio out to transmit audio wirelessly to two sets of headphones with wired-quality sound, eliminating the need for a splitter or tangled wires. Powered by USB or Battery USB power allows the transmitter to remain connected to your TV's USB port for instant use. Battery operation provides up to 10 hours of playback time per charge, making it convenient for portable use with tablets or in bed. Great Connectivity One of the few Bluetooth transmitters with optical audio input, enabling connection to nearly any non-Bluetooth device. With Bluetooth 4.0, it easily pairs with two pairs of headphones, a headphone and speaker, or other compatible audio devices. Reconnection is automatic when devices are powered on. Box Contains: 1 x Bluetooth Audio Transmitter 1 x Audio Cable 1 x USB Power Cable Note: Light and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.