Thank you for choosing Harper products, Before use, read the operating instructions and save them in case you have any questions about servicing the device. PRECAUTIONARY MEASURES 1. Do not disassemble device by yourselves. It may lead to malfunction of device. 2. In case of any malfunction, please contact authorized service center. 3. Do not lead device and accessories unattended. Please keep them out of reach of children and pets. Small parts can cause suffocation. 4.
+ Volume up — Short press x1 Next song — Long press 2-3 Volume down — Short press x1 Previous song — Long press 2-3 PAIRING IN BLUETOOTH MODE First time paling Switch on «H-412» headset, it will boot into Bluetooth mode automatically, voice prompts a ring about Bluetooth mode activation, and LED indicator light rapidly alternating flashes with blue and red colors.
PRODUCT PARAMETERS Bluetooth Version: 5.0 Working Distance Range: 10m Frequency Range: 20Hz20kHz Battery Specifications: 3.7v 250mAh, Built-in rechargeable lithium battery Charging Voltage: DC 5V Charging Time: 2.5 hours Talking/Music ime: 8 hours DISPOSAL INFORMATION This device is designed and made of high quality materials and components, which can =" be recycled and reused. The symbol means that electrical and electronic equipment must be disposed of separately from household waste after use.