dodocool Wireless Speaker with Microphone, support TF card, AUX and USB Disk Reader Function (Hi-Resolution Standard)

High-Resolution Audio Certified 
Comply with High-Resolution Audio standards. 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.

Hands-free Function
Built-in microphone for hands-free calling function enables users to answer an incoming call without delay. The music will stop automatically if there is an incoming call.

Note: TF cards or USB disks are not included.

Specifications:
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

Package Includes
1 * Wireless Speaker
1 * Micro-USB Cable
1 * User Manual
 
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.
Easy to Use: Easily pair with 33ft long-range and stable wireless connection and automatically connect to the last-connected device. Multiple function buttons let you enjoy music, handle hands-free calling, or adjust volume 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.
Hands-free Function: Built-in microphone for hands-free calling function enables users to answer an incoming call without delay. The music will stop automatically if there is an incoming call.