Product parameters: Product Type: Bluetooth Headset Wear style: headphone Functional use: wireless headset, voice headset Bluetooth version: V4.1 Supports Bluetooth mode: A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5 Frequency: 2.402-2.480GHZ, 2.4G ISM band Frequency response: 20 Hz - 20 KHz Signal to noise ratio (SNR): 70Db; Power indicator: blue light Headset charging: rechargeable 400MAH lithium battery Charging port: Mini 5-pin USB charging interface Normal charging time: about 2.5 hours Talk duration: up to 6 hours Standby time: up to 160 hours Operating temperature: -20oC - 55oC Other features: support status indicator, charge indicator display Product accessories: headset, USB charging cable, audio cable Product Features: Voice control, volume +/-, up / down switch, answer the phone Play / pause, support 3.5mm audio interface, in the case of no electricity, 3.5 plug audio cable directly connected to the headset Chang enjoy high quality music player, good noise reduction function.
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