Pre purchase notice:
module operation: Open the phone's scan the device, find "DW-CT14+", and click to connect.
version: This version is 4.2. Compatible with all mobile phones and adapters on the market. The transmission distance in open areas is about 15 meters. Supports automatic reconnection to paired devices and automatic music playback.
Warning: The charging interface of this product is in current limited charging mode and does not come with charging management! For the safety of your life and property, please make sure to use lithium batteries with protective plates produced by legitimate manufacturers. If any losses are caused due to improper use, our company will not be held responsible!
Attention: This product will automatically shut down after 10 minutes in standby mode and needs to be powered on again!
Shipping list: motherboard+power cord
Instructions for use:
1. version 4.2
2. Supports USB sound card, driver free, plug and play (under normal lithium battery power supply)
3. This product already comes with a dual 5W amplifier circuit. Do not use a separate amplifier! The outputs of two amplifiers cannot be connected in parallel or the negative pole connected together, otherwise the amplifier chip will be damaged
4. It can connect two 2-8 ohm and 3-10W speakers respectively, and use 4 ohm 5W and 4 ohm 10W speakers for storage. The output is stereo sound
5. The maximum working current is 5V2A. Use a stable power supply of 5V2A or above for better sound quality!
6. It is recommended to use a 3.7V lithium battery (lithium batteries require a protective board!). The built-in USB charging port can be used to charge the lithium battery, and the USB port can be used as a power source or a 5V adapter for power supply Do not use unstable voltage and current sources such as dry batteries, power banks, and multifunctional transformers for power supply!
7. When installing the board, try not to place the antenna near metal components as much as possible to avoid affecting the transmission distance