BS‑15 Wireless Soundbar 3D Stereo Subwoofer TV Speaker Soundbar with Remote Control Microphone for Home Theater System Item Type: Wireless Soundbar Model: BS-15 Colour: Black Material: ABS+LED Function: Audio Conversion Bluetooth Version: 5.0 Transmission Distance: 8-10m / 26.2-32.8ft Music Playing Time: 4H IA Charging Time: About 4 Hours Standby Time: 240 Hours Speaker Built-In Battery: 18650 Battery Speaker Built-In Battery Capacity: 2000mAh Remote Control Built-In Battery: Button Battery Remote Control Built-In Battery Model: CR2025 Battery Capacity: 160mAh Charging Voltage: DC 5V/1A Charging Socket: Type C Speaker Power: 4 x 5W Input Source Type, Function: Bluetooth, RCA, 3.5(AUX), Memory Card, U Disk, FM, Remote Control, External Microphone Scope Of Application: Support TV, PC, Phone, Tablet, Laptop, MP3, MP4, DVD Player, TV Audio Box.