Outdoor wireless bluetooth speaker, mini card plug-in bluetooth speaker,Wholesale china

Bluetooth version: v3.0 + EDR Output power: 3W * 2 Speaker parameters: Independent sound chamber, 45mm4¦Ð * 3W * 2, the whole band + within the magnetic Distortion: 0.1% Frequency response: 20HZ-20-KHZ SNR: 75DB Decoding formats: MP3 Frequency range: 2.402-2.480GHZ Effective distance: within 50 meters (transmission distance due to different environments and coupling device and a difference) Power supply: built-in lithium-ion battery 3.7v Battery Energy Efficiency: Available 10 hours of music playback time, efficient charging management 3 hours full charge Power input: Micro Mini USB 3.6-5V Control methods: mechanical + touch buttons Access modes: Bluetooth mode, AUX (Line in) 3.5 standard interface, TF card mode Product Weight: about 585 grams Size: 180mm * 85mm * 70mm Support protocol: A2DP, AVRCP, HFP Color: gray, blue, yellow, red, green