ROCKSPACE S23 Metal Mini Wireless bluetooth Speaker Portable Subwoofer Headset Support TF Card FM AUX MP3

Specifications:
• Material: Aluminum alloy metal + PC
• Sensitivity: >80dB
• Rated power: 3 W
• Input: 5 V/1A
• Dimensions: 71 x 49 mm
• Frequency response range: 120 Hz - 20 kHz
• Capacity: 500 mAh (large capacity)
• Compatibility: iOS & Android devices
• Function: Answer call, play music 4 - 6 hours
• Weight: 170 grams