• 57mm 10W speaker, bass down to 90Hz, enjoy the bass filling each corner of your room
• 360° surround stereo expansive sound, delivering clear, pleasant and vivid sound, bringing a full sensory music experience
• Series connecting 2 speakers via simple operation for 360° stereo sound and double the volume
• Advanced BT 5.0 transmission, fast and sensitive response, smooth operation, and clearer phone calls. Its transmission rate increased by 50%
• IPX6 waterproof grade, no matter it is sunny or rainy, you can listen to whatever you want
• Built-in 1800mAh lithium battery, support 8 hours of wireless playing

Specifications:

• Brand: USAMS
• Model: US-YX008
• Material: ABS
• Weight: About 580g
• BT Version: 5.0
• Connection Range: ≤10 meters
• SNR: ≥80db
• Speaker Diameter: 57mm
• Frequency Range: 90Hz~18KHz
• Playing Time: 6-8 hours
• Output Power: 10W(Max)
• Charging Input: 5V-1A
• Battery Capacity: 1800mAh
• Charging Time: About 5 hours 
• Waterproof Grade: IPX6
• Size: 85*85*180mm