LB1 High Performance Wireless Speaker for Kindle Fire HD Colorful LED Light Pulse Dual-Speaker Support Handsfree TF AUX FM Radio High-end Mini Colorful LED Light Pulse Wireless Bluetooth Dual-Speaker Support Handsfree TF AUX FM Radio. 2 pieces of 40MM driver massive rich sound. Output capacity of ~95 decibels - music fills even the largest rooms. Replaceable Rechargeable battery supports up to 6 hours playback time - can be charged via Laptop Destop PC by included micro USB charger cabser Built-in microphone for hands-free phone calls. 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. Hands-free with microphone design for mobile phone user-allow you to mute the music to answer a call directly from the headphones. 100% Customer Satisfaction. Fast Same-Day Shipping by 12:00 PM PDT. 30-Day Money Back Guarantee.