This item is a wireless soundbar, which is made with high-grade materials. Good workmanship and outstanding sound quality, premium texture, very practical. Application to Music, games, movies and TV etc. [Bluetooth 5.0 Technology]: Compatible with most Bluetooth-enabled devices, connect to your smartphone instantly. Transmission distance: up to 10 meters. [Multiple Connection Methods]: Not only come with Bluetooth function, but also support TF card, U disk, RCA, AUX playback, and support FM radio. Support A2DP, AVRCP, HSP and HF format. [Excellent Sound Quality]: Adopted the newest configurations, this Soundbar has 4*10W built-in speakers and Bluetooth 5.0 chipset, which means it can produce greater bass and excellent sound performance. Four speakers for high-performance multi-dimensional sound and an unparalleled cinematic deep bass surround sound, let you enjoy high-quality music. Watching TV at home is like watching a movie at a movie theater. It gives you a theater-level sound experience. [Long Battery Life]: With the 2000mAh built-in battery (charged by USB cord included), the speaker can play music for 4 hours when it is fully charged. And the standby time up to 240 hours. Just enjoy the music and no worry about the battery. [Premium Quality]: Made of high-quality metal mesh material, it can effectively prevent music distortion and block external noise. [Remote Control]: You can remotely control the speaker and switch the sound effect through the remote control. Specifications 1. Item Type: Bluetooth Speaker 2. Bluetooth Version: 5.0 3. Color: Black 4. Speaker Power: 4 * 10W 5. Use Transmit Power: 1.49mw 6. Transmission Frequency: 2.48ghz 7. Transmission Distance: 10 Meters 8. Music Playback Time: About 3-4 Hours 9. Charging Time: 2-3 Hours 10. Standby Time: 240 Hours 11. Supported Formats: A2DP, AVRCP, HSP, AND HF 12. Battery: 18650, 3.7V / 2000MA 13. Signal To Noise Ratio: -80dB 14. Frequency Response: 20Hz-20kHz 15. Charging Voltage: DC 5V / 1A-2A 16. Charging Socket: Micro USB