Pac2Go P2GBS-01 Portable Bluetooth Speaker - Wireless 360 Degree Stereo Sound in an IPX4 Water Resistant Design with Noise-Canceling Hands-Free Mic and Operation, Perfect for Travel, Car and Outdoors 360 Degree stereo audio sound with superb bass and crystal clean treble from 2 drivers at 6W. Frequency from 80Hz -12kHz with 75db. Stylish ergonomic and compact design with fireproof and rubberized oil finish along with ABS plastic and a waterproof IPX level 4 rating to withstand water splashed from all directions. The keychain design allows you to hook it on your backpack or belt loop with a D-ring. A high capacity 1600mAh 3.7V Li-ion battery lets you listen to your music for up to 8 hours. Recharges in just 3 hours using the included micro USB cable. Hands Free operation with Bluetooth V3.1 + EDR including easy no-code device pairing. Change track or adjust the volume on device. Make phone calls in conference call setting with the Noise-cancelling microphone that produces crystal clear communication for the sender and receiver. At 6.4" high and a 1.7" circumference and 6.5 oz, it is one of the smallest, lightest yet powerful Bluetooth speaker that can easily fit in your daypack, purse or travel bag.