Digital Mini Wireless Bluetooth Speakers with 3.0 Version Feature from brand

Digital Mini Wireless Bluetooth Speakers with 3.0 Version Feature from My vision brand Specifications: bluetooth speaker munufactory super thin,x-bass with mp3 media player PRODUCT NAME N12 Plastic with Rohs Speaker Frequency Response 40Hz--18KHz Singal-to-Noise Better than +82dBm Distance About 10meters Charging Voltage 3.7V –4.2V DC Working Voltage 4.8V –5.5V DC Quiescent Current >1UA Battery Capacity 450MAH Working Time 3 hours Color Yellow/Red WEIGHT (including package) 0