Features: Upgraded version of the deluxe audio, 4 speakers, 3D stereo surround sound, the effect is absolutely shocking. Support Bluetooth connection, fully compatible with most kinds of Bluetooth devices, wireless playing. Support U disk playback.You can also play the audio of your phone or other device via the audio cable. Built-in DSP sound processor with clear sound and no noise. Simple connection, easy to operate. Watching TV at home is like watching a movie at a movie theater. It gives you a theater level sound experience. Bluetooth V5.0 version, bring barrier-free transmission experience, 10 meters connection. Fully compatible with desktops, notebooks, mobile phones, tablets, set-top boxes, game consoles, TVs. Use 4 full-range speakers. 4 Speak Driver+Remote Control. With RCA line, can connect to the TV and computer directly. NOT Support U disk playback.You can also play the audio of your phone or other device via the audio cable. Specification: Speaker power: 5W ?Á 4 Use transmission power: 1.49mW Transmission frequency: 2.48GHz Transmission distance: 8-10 meters Music playback time: about 2.5 hours Charging time: 2-3 hours Standby time: 240 hours Support formats: A2DP, AVRCP, HSP and HF Battery: 18650, 3.7V / 2000mA SNR: -80db Frequency response: 20HZ-20KHZ Charging voltage: DC 5V / 1A-2A Charging socket: micro 5pin (V8) Support TF card audio input Support 3.5mm audio input Support U disk audio input Does not support hands-free Size: 5505050mm/approx.21.651.961.96 inch How do I know my TV supports Bluetooth? If your TV came with a Smart Remote, it supports Bluetooth - that's how the Smart Remote pairs to the TV.Please note: As we are international seller, our delivery time will take about 10 working days. Our logistics provider and delivery method is: New Zealand Post.