BS‑20 Bluetooth HIFI Soundbar Subwoofer Speaker RGB Lights 4x5W Wireless Home Theater Item Type: Bluetooth Speaker Material: PVC+Metal Color: As Pictures Shown Weight: Approx. 990g/34.9ozModel: BS-20 Bluetooth version: V5.0. Transmission distance: 8-10 meters/26.2-32.8ft Music playback time: about 5 hours Charging time: 2-3 hours Standby time: 240 hours Battery model: 18650 Battery: 3.7V/2000mAh Remote control battery: CR2025 (not included) Signal to noise ratio: -80dB Response: 20HZ-20KHZ Charging voltage: DC5V/1A-2A Charging socket: micro 5pin (V8) Speaker power: 4 x 5W Support: storage card/USB Audio input: supports 3.5mm audio input With radio function Support: for RCA IN jack  Support: infrared receiving port (with remote control) Does not support hands-free How e: 1. Press and hold the speaker switch button for 3-5 seconds, when you hear a beep and the LED flashes, it will automatically enter the Bluetooth search mode 2. Turn on the Bluetooth connection of the mobile phone, and the audio can be played after the pairing is successful (if a pairing password is required, enter 0000) 3.5mm input mode: After the 3.5mm cable is connected, the speaker will automatically switch to AUX mode. If it is switched in other modes, the single M key can switch to AUX mode (for RCA mode is the same as the operation) Storage card mode: insert the storage card into the speaker, it will automatically enter the storage card mode after power on, if it is in another mode after power on, the single M key can switch to the storage card mode Supports 2 speakers Bluetooth interconnection: turn on the 2 speakers separately to enter the Bluetooth mode. Wait for the automatic connection. After success, the LED is always on, and the 2 speakers emit a Bluetooth waiting for connection tone. Then turn on the Bluetooth connection speaker of the mobile phone (Note: The interconnection function is only available in Bluetooth mode, and the number is 2; after the interconnection is successful, it is equivalent to 2 speakers becoming one; if the interconnection is not successful for a long time, please turn off the speaker and operate again. Please confirm to enter the interconnection mode)