タイトルまたは説明

Specifications: Bluetooth version: 2.0 Battery voltage: 3.7V Battery capacity: ***0mAh Standby time up to **2 hrs Talk time up to *2 hrs Dimension (L:W:H): **5mm X *5mm X *4mm (not including the back clip) Weight: **5grams Speaker output: 0.5W *0db Range: *0m (*3ft.) Temperature range: **0℃ ~ **0℃ FM Frequency: *8.1, *8.5, *8.7, *9.4 Frequency range: 2.4GHz Spectrum Charging time: 3 ~ 4hrs Features: Voice dialing and redial Voice record Caller ID and English name display Maximize noise filtering、shielding response from wireless devices User friendly s USB port for software upgrade Bluetooth rearview mirror supports headset and handsfree Echo and background noise reduction Wireless earphone headset Call switching between phone and car kit