Product specifications:

50. Wireless: V5.1

Support: L2CAP/A2DP/AVCTP, can receive AUDIO signal and control the AUDIO device.

Support HSP/HFP(Handsfree profile), with HANDS-FREE functions.

50. Working distance:10M
50. SNR:≥90db
50. Battery: 3.7V 1200mAh
50. Normal volume playing time:about 3H
50. Speaker driver: ¢45mm*2
50. Speaker Power: 4Ω/5W*2
50. Frequency response:120Hz-20KHz
50. Unit size: 68*68*180mm
50. Unit weight: 375G (not includ accessories)
50. Charging:5V/1000mAh
50. Charging time: about 3H

Product  Feature:

1. International advanced wireless chip and circuit design techniques, support all wireless devices.
2. With FM function, can search radio station broadcast automatically
3. With Hi-Fi speaker, to make sure the clear and bright sound.
4. Support Micro SD card and USB card, play MP3 format audio.
5. The wireless working distance is 10 meters.
6. With AUX line in, can directly connect the outside devices, for example, tablet PC/TV/cell phones.
7. Support TWS.
8. Volume adjustment can be by Knob and button . 
9. It will close automatically after 30 mins if disconnect Wireless

Key and slot function:

1. DC 5V slot: Use the standard Micro USB V8 charging cable for power charging.
2. TF slot: It can decode and play MP3 format audio when put TF card into the slot.
3. USB slot: It can decode and play MP3 format audio when put the USB card into the slot.
4. AUX line in slot: Use the Mini 3.5 head input through outside devices.
5. Power switch: Press long for power on /power off.

When play music,(USB card/TF card/Wireless/line in), short press for “play/pause”. In FM mode, press short to search station automatically, press again to stop searching. Under wireless mode with mobile paired, when call coming, press short to answer a call hands-free, press again to hand up, press twice to ring up a call.

6. When play music, Press short for last song, long press to turn down the volume.
7. When play music, press short for next song, long press to turn up the volume.
8. When play music in any modes, the volume of the clockwise knob is increased, and the volume of the counterclockwise knob is decreased.
9. When play music Short press to switch model (USB card/TF card/Wireless/line in/FM).

Keep the two speaker under Wireless mode without pairing, press the “M” key for 2-3 seconds either of the speaker until hear a hint and meantime the button light stop flashing , now it is TWS mode ,then can paire the mobile. Press  " M " key about 3s to cancel TWS function .  

NOTE: In the FM mode, put in micro charging cable to get better FM radio station.

If this speaker crash during use, you can press and hold the power button for 8 seconds to reset and shut down.

USB/TF card pls use FAT32 format.