Q-YEE HD Water Resistant Bluetooth Speaker Mini Portable Wireless Speakerphone with Built-in Mic for Hands-Free Call for Smartphones, Tablets, MP3, PC, Cell Phones, iPhone 6S The Portable speakers is equipped with built in clear noise reduction microphone to support two way voice communication.The function of answering call and hanging up can be performed through the sound at the same time.Support Bluetooth 2.1 version for equipment connection with clear sound without echo to make you enjoy smooth conversation during outdoor sports. Play high definition sound with card and support audio speaker with TF card.The sound will recognize audio files in the card and play automatically.Support MP3 and WMA format. The Waterproof Wireless Speakers 2.1 equipment of cellphone and tablet computers can play directly so that the music can be played without wire.The effective range is 10m. Insert into stereo speakers AUX interface with 3.5MM audio cable to connect sound source equipment such as computers and music players to make TV player become family camera so that the whole family can watch film together. Smart Bluetooth+EDR wireless transmission technology enables wireless data transmission stably with high speed and strong anti interference performance.You can use it at ease no mater where you are.The wireless speakers built in chargeable lithium battery is environmental sound, energy saving and practical.