

| Pin number | Pin name | Function | Remark |
| 1 | VCC | Module power input | 3. 3V—5V, 5V is recommended, do not exceed 5. 2V |
| 2 | RX | UART serial data input | |
| 3 | TX | UART serial data output | |
| 4 | DAC_R | Audio output right channel | Drive headphones, amplifier |
| 5 | DAC_L | Audio output left channel | Drive headphones, amplifier |
| 6 | SPK2 | Connect small speaker | Drive less than 3W speakers |
| 7 | GND | Ground | Power ground |
| 8 | SPK1 | Connect small speaker | Drive less than 3W speakers |
| 9 | IO1 | Trigger port | Default previous song (long press volume down) |
| 10 | GND | Ground | Power ground |
| 11 | IO2 | Trigger port | Default next song (long press volume plus) |
| 12 | ADKEY1 | AD port 1 | The first song when triggered (long press cycle first song) |
| 13 | ADKEY2 | AD port 2 | Fifth track when triggered (long press cycle fifth track) |
| 14 | USB+ | USB+ DP | Connect U disk or USB port of computer |
| 15 | USB- | USB- DM | Connect U disk or USB port of computer |
| 16 | Busy | Playback status | With audio, output low. No audio, output high |





Shipping | Delivery Period | For in-stock parts, orders are estimated to ship out in 3 days. Elecbee ships orders once a day at about 5pm except Sunday. Once shipped, estimated delivery time depends on the below carriers you chose. DHL Express: 3-7 business days DHLeCommerce: 12-22 business days FedEx International Priority: 3-7 business days EMS: 10-15 business days Registered Air Mail: 15-30 business days | |
| Shipping Rates | Shipping rates for your order can be found in the shopping cart. | ||
| Shipping Options | Shipping rates for your order can be found in the shopping cart. | ||
| Shipping Tracking | We will notify you by email with tracking number once order is shipped. You can track your order using the “Track My Order” feature. | ||
| Returning/Warranty | Returning | Returns are normally accepted when completed within 30 days from date of shipment, please contact customer service for a return authorization. Parts should be unused and in original packaging. Customer has to take charge for the shipping | |
| Warranty | All Elecbee purchases come with a 30-day money-back return policy, plus 1-year Elecbee warranty against any manufacturing defects. | ||
| This warranty shall not apply to any item where defects have been caused by improper customer assembly failure by customer to follow instructions, product modification, negligent or improper operation | |||
| Ordering | How to Buy | Elecbee accepts online orders. | |
| Add to cart > Check out > Submit order > Complete payment > Delivery | |||
| Payment | PayPal, Credit Card includes Visa, Master, American Express, Bank transfer. | ||