Features:● Bluetooth version: V3.0 + EDR
● Wireless: Without traditional wire connection constraint， you can enjoy infinite fun of music
● Boosted bass， sonorous and powerful
● Support TF card ( up to 32GB， card not included ) / AUX input， playing music more conveniently
● Built-in microphone， answering call without holding the phone， safer when driving
● Built-in 2000mAh large capacity， 12 hours for playing music
● Support FM mode， knowing the wonderful world more
● With LED indicator: The speaker is working when LED is blue and charging when it is red. You can know the status clearly Brand: Douew
Model: D2
Design: Mini， Stylish， Sport， Cool， Multifunctional， Portable
Supports: Loudspeaker， Bluetooth， FM， Hands-free Calls， Volume Control， TF Card Music Playing
Functions: Stereo， AUX Function
Compatible With: MP5， Mobile Phone， PC， Laptop， MP3， Tablet PC， MP4， TF/Micro SD Card
Connection: Wireless
Interface: 3.5mm Audio， Power Charge Port， Micro USB， TF Card Slot
Audio Source: TF/Micro SD Card， Electronic Products with 3.5mm Plug， Bluetooth Enabled Devices
Material: ABS
Color: Yellow， Red， Blue Bluetooth Version: V3.0+EDR
TF Card Extension: 32G to the Max.(Not Included)
Transmission Distance: W/O obstacles 10m
Driver Unit: 40mm
Freq: 20Hz-20KHz
S/N: No less than 90dB
Distortion: No more than 0.1 percent
FM Radio Frequency: 87.5-108MHz Charging Voltage: 5V
Working Voltage: 3.3 - 5V
Charging Time: 4 - 5 hours
Lasting Time: 10 hours
Battery Capacity: 2000mAh Package weight: 0.397 kg
Product Size (L x W x H): 16.2 x 6.4 x 4.8 cm / 6.37 x 2.52 x 1.89 inches
Package Size (L x W x H): 19.5 x 10 x 5.5 cm / 7.66 x 3.93 x 2.16 inches Package Contents: 1 x Douew D2 Outdoor Sports Portable Bluetooth V3.0 + EDR Speaker Support TF Card MP3 Player With FM Radio Handsfree， 1 x Audio Cable， 1 x USB Charging Cable， 1 x Hook， 1 x Bilingual User Manual in English and Chinese