Product Details: Bluetooth parameter: CSR 4.0 Horn: 10mm Sensitivity: 95-98 ± 3dbl Bluetooth chip: CSR8635 Audio Format: MP3 SNR: ≧80 db Battery Capacity: 110mAh Voltage Input: DC 5V Current Input: ≧ 500 mA Transmission: about 10 meter Standby: about 250 hours Working Time: about 8 hours Micro: - 42db Net weight: 18g Shipping Weight: 187g Dimension: 15.5*6.5*6 cm Package included: 1*headphone, 1*instruction, 2* different size cap, 3* ear-hooks, 1 USB cable Functions Voice answer: When you get a call, you will hear a voice guide"Yes" or "No" after saying caller ID. A second later, say"Yes" to answer or say" No" to reject a call. Play/pause: When playing music, press this key to pause, press is again to resume Call switching: When calling, press the multifunction key for about 2 seconds, the voice will automatically switch to telephone receiver, vice versa Multiple EQ: When playing music, press the multifunction key for about 2 seconds you will hear"du". At this time the sound effect will change. The default sound effect is" Pop music", the other two are" super bass voice" and "alt voice". You can choose your preferred sound effect. Recalling function: Press the multifunction key twice to make a phone call to the last person you have called.
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