Wall-Mounted Wireless Speaker

Type: BS-41A Bluetooth speaker(without remote control)Connection method: Bluetooth connection/3.5MM audio jackInterface type: USBBattery capacity: 2000MAFrequency response range: 20HZ-20KHZOutput power: 5W*2Signal to noise ratio: ≥75dBPower supply mode: built-in lithium batteryChannel: 2Playing time: 6 hoursExpansion storage: 32GBBluetooth protocol: V5.0Number of speakers: 2Effective distance: 10 metersFunction: insert card, radio, voice promptOperation mode: buttonApplicable people: generalPlay format: MP3, WMA, WAV, FLC, APEShell material: plasticSupport format: Bluetooth/TF card/U disk/3.5mmSpeaker adjustment method: buttonBox material: plasticAppearance size: 380*78.5*58MMType: BS-41 Bluetooth speaker(with remote control)Bluetooth version: V5.0. Battery type: 18650 aluminum polymer batteries. Battery capacity: 2000 mA. Usage time: approximately 6 hours. Rated voltage: 0. 5 m. Reference protection circuit: overcharge protection (8.40 ±0.05) V / over protection (5.0 ±0.1) V. Frequency response: 20Hz-20KHz. Range of launch frequency: 2402MHz-2480MHz. Signal noise ratio: ±80 dB. Transmission distance: 8-10m. Built-in radio: external antenna receiving station. Radio frequency band: 87.5-108.  Size: 570 * 120 * 85 mm.