Main Features:Wheel shape design， offering better visual experience
Using Bluetooth 2.1 + EDR technology， long transmission distance up to 10 meters
Compatible with all Bluetooth enabled digital devices
Enjoy hands-free phone calls and music in the car， making your driving or trip more elegant and safer
Enable directly playing MP3 files in TF / micro SD memory card， support TF card up to 32GB
Built-in lithium battery， extending the playing time for outdoor use
Conveniently charged via USB cable
Compact size of ease for carrying anywhere Model: GM001
Design: Cool， Fun， Multifunctional， Portable， Car
Supports: Loudspeaker， Bluetooth， Microphone， Volume Control， Hands-free Calls， TF Card Music Playing
Functions: Songs Track， Stereo
Compatible With: MP5， Laptop， Mobile Phone， Tablet PC， PC， TF/Micro SD Card， iPod， MP3， iPhone， MP4， PSP
Connection: Wired， Wireless
Interface: 3.5mm Audio， USB2.0， TF Card Slot
Audio Source: TF/Micro SD Card， Electronic Products with 3.5mm Plug， Bluetooth Enabled Devices
Color: Blue， Black， Red Bluetooth Version: V2.1+EDR
Transmission Distance: W/O obstacles 10m
Freq: 100Hz-18kHz Power Source: Battery， USB
Charging Voltage: DC 5V
Operating Range: 10m Package weight: 0.183 kg
Product Size (L x W x H): 6.1 x 6.1 x 6.1 cm / 2.40 x 2.40 x 2.40 inches
Package Size (L x W x H): 7.1 x 7.1 x 7.1 cm Package Contents: 1 x Speaker， 1 x USB Cable， 1 x User Manual