Mini Wireless Bluetooth Portable Speakers Monopod Self Timer

Mini Wireless Bluetooth Portable Speakers Monopod Self Timer Description: 1. MIC hole 2. Charging indicator light 3. Operating botton 4. Bluetooth indicator light 5. Loudspeaker 6. Slinghole 7. Micro USB interface, also for charging use. Specification Rated power PO=2W Frequency Response: 180HZ-16KHZ Distortion factor: THD<1% Signal-to-noise ratio S/N≥90DB Separation ≥55dB Speaker 23mm; 4Ω 2W Battery 3.7V/180mAh Bluetooth version V2.1+EDR Bluetooth voice prompt Yes Bluetooth