Specifications:1. Cloth-covered shell, color ambient lights2. Physical button control3. The handle strap is convenient for carrying and hanging on the wall4. Play modes: Bluetooth, U disk, Micro-SD card, AUX5. Size: 149 * 128 * 121mm6. Bluetooth scheme: Jieli AC6966B, V5.17. Charging port: Type-C, 5V1A8. Horn: φ57 * 57mm, 4Ω9. Li-polymer battery capacity: 2,400mAh, 3.7V10. Maximum power: 10*2WFeature:Bluetooth scheme: Jieli AC6966B, V5.1Supported protocols: a2dp\avctp\avdtp\avrcp\hfp\hid\rfcomm\spp\sdp\l2cap\pnpChannel system: dual horn, dual diaphragmBluetooth working frequency: 2,402MHz~2,480MHzHorn: φ57 * 57mm, 4ΩSNR: ≥68dBFrequency response range: 60Hz~18KHzLi-polymer battery capacity: 2,400mAh, 3.7VPlay time: 7.5-8 hours (70% VOL)Charging time: 3.5-4 hoursSize: 149 * 128 * 121mmBattery indicator: supportedWaterproof grade: IPX6Included accessories: user manual, USB data cableTwo Bluetooth speakers can be wirelessly connected in series to form a 2.0 sound effect