dodocool Hi-Resolution Rechargeable Stereo Wireless Speaker - Black

Features
High-Resolution Audio Certified
Comply with High-Resolution Audio standards. Deliver a true sound reproduction of HD video and High-Resolution Audio tracks with far higher quality than MP3s and even CDs. Let you enjoy every breath, drumbeat and note of music just like the artist intended.
Support Multiple Audio Source
Designed with a TF card slot, USB disk slot, 3.5mm Aux input port and Bluetooth functions, this speaker supports multiple audio sources. Get audio from your TF cards, USB disks, music players or Bluetooth-enabled devices easily.
Long Playtime
Enjoy up to 7-hour playing time and 30-day standby time with the built-in rechargeable 2000mAh lithium battery. Fully recharge in just 4 hours using the included Micro-USB cable. You can even play music and charge simultaneously.

Note: TF cards or USB disks are not included.

Specifications
Brand: dodocool
Model: DA149
Color: Black
Material: Aluminum Alloy + PC
Wireless version: V4.1
Support wireless profile: A2DP, AVRCP, HFP
Wireless working frequency: 2.402GHz-2.480GHz
TYP: -80dBm
Wireless range: Up to 10m
TBR: < 30 cm
Max power: 3W * 2
Power amplifier type: Class-D
Frequency response: 20Hz - 45kHz
Speaker type: 2 full-range speakers
Microphone: -40dB ± 3dB
Battery: Built-in 3.7V/2000mAh lithium battery
Playtime: Up to 7 hours
Talk time: Up to 7 hours
Charging voltage: DC 5V
Charging current: 450mA ± 50mA
Charging port: Micro-USB port
Charging time: Approx. 4 hours
TF card support: Up to 32GB
USB disk support: Up to 32GB
Item Size: Approx. 7.48 * 7.48 * 2.36 in / 190 * 190 * 60 mm
Item Weight: Approx. 16.22oz / 460g
Package Size: Approx. 8.27 * 7.87 * 3.15 in / 210 * 200 * 80 mm ( L * W * H )
Package Weight: Approx. 21.87oz / 620g

Package Includes
1 * dodocool 2000mAh Hi-Resolution Rechargeable Wireless Speaker
1 * Micro-USB Cable
1 * Instruction Manual