Mushroom Wireless Bluetooth Speaker

Bluetooth connection:microphone functionhands-free mode to answer the phone Super sucker function. with super bass function.shockproof, anti fall, a certain waterproof function  Product specification: Bluetooth version: V4.2+EDR USB input voltage: 5V Charging time, 2 hours Battery capacity: 200mAh Rated power output 3W Speaker specification 13 core inner magnetic single core Lithium battery specification; 3.7V Signal to noise ratio: 90HZ-20K/65dB Bluetooth phone support Effective wireless transmission distance up to 10 meters