Wireless Earphones KJBTIEARBK Instruction Manual

Wireless Earphones KJBTIEARBK Instruction Manual Product Specifications Charging voltage: Micro USB 5V Working current: 20-30mA Bluetooth working range: 10M Output power: 2×20mW Frequency range: 2.402-2.480GHz Distortion factor: ≤1% Sensitivity: ≥95dB Frequency response: 20Hz-20KHz Normal working time: Music state 3 hours Charging time: About 2 hours Auto power-off: After 8 minutes Battery capacity: 70mAh Pack Contents […]