LB1 High Performance New Wireless Bluetooth Mini Speaker for Microsoft Surface Pro 2 Diamond Bluetooth Speaker with Built-in Microphone for Hands-Free Phone Call (Silver) High-end Stereo Mini Bluetooth Speaker with Built-in Microphone for Hands-free phone call. 40MM driver massive rich sound. Output capacity of 75 decibels - music fills even the largest rooms. Rechargeable battery supports up to 4 hours playback time - can be charged via Laptop Destop PC by included micro USB charger cable. Hands-free with microphone built-in design for mobile phone user. Easy connect to phones or other bluetooth devices - Can be used as wired speaker with included AUX cable. Comply with Bluetooth-RF range is up to 10M. Simple pairing with your iPhone-iPad-iPod touch-Android-BlackBerry and other devices-watching movies-playing games is a real enjoyment! Audio jack work with iPhone-iPod-phone and other player and laptop. 100% Customer Satisfaction. Fast Same-Day Shipping by 12:00 PM PDT. 30-Day Money Back Guarantee. 12 Months Warranty. Exclusive $100000 Product Protection Plan! Satisfies Government - School - Health care enterprise and Corporate account purchase order requirements.