ขาย Dotec M 163 ชุดหูฟังแฮนด์ฟรีไร้สาย ราคาที่ดีที่สุด

Newest Wireless Bluetooth headset In earphone, stereo  MP3 Music Handsfree with vibration microphone for All mobile phone and other bluetooth devices.   Specifications:     1. Charging voltage: DC5V 500mAh     2. Working current: 25-30mA     3. Bluetooth A2DP Working range: 10m     4. Output power: 35mW     5. Frequency range: 2.401-2.480GHz     6. Distortion factor: ≤3%     7. Frequency response: 20Hz-20KHz     8. Working Time: 2-4 hours (The Volume will affect the time)     9. SNR: S/N≥85     10. Charging Time: 1h-2h     11. Frequency Response: 20 ~ 20000Hz     12. Sensitivity: 80dB     13. Impedance: 16 ohm Package Content:     1 x Bluetooth Headset     1 x Ear Hook     1 x charge cable     1 x Manual #Dotec #earphone #sport #bluetooth #original #headset #handsfree #headphone #Microphone