Added the sliding switch for switching to different working modes.
Product ID: HF69BLow power consumption when standby, good sound quality, great for small bluetooth speakers.Output power 6W + 6W dual channel stereo
Applicable speaker impedance: 6 ohms, 8 ohms
(low speaker impedance may result in unusually high volume and intermittent sounds)Supply voltage: 5VDC or 3.7V lithium battery
Supply current: 1A or higher
Single lithium battery
Connect to any 5V power supply(phone charger etc.)
Maximum charging voltage: 4.2V
When the sliding switch is "ON", the Micro USB port is the charging port which powered by a lithium battery.
When the sliding switch is "OFF", the Micro USB port is the power supply port, it works without a lithium battery.
Buyer note:If intermittent sounds occurred in high volume, check your input current and power supply.
Low impedance speakers are not recommended to use with this product.
Customization is available for order >100 pcs:
1. Customs bluetooth device name
2. Customs audio notifications / Remove audio notification
3. Your own brand on the board(1000+)
For large order quantity, please contact us directly email@example.com for more details.