Tektalk Bluetooth Speaker (Black WGYX002) Suitable for these equipment: iPhone, iPad, MacBook, Samsung Galaxy s4 and s3, Galaxy Note, Amazon Kindle Fire HD and all tablets, Smart Phones and PCs Hand-free phone: Built-in microphone for hands-free speaker phone calling Easy to pair - No code/pin needed The anti-interference dsign of bluetooth signal: can effectively prevent the signal interference Size:145x55x32mm. Weighs of 199g makes it easy to carry everywhere you go. Package contents: Portable Bluetooth Speaker, micro USB cable, audio cable, user manual.