Specifications‎:‎This portable mini shape Bluetooth Speakerphone is specially designed for the aims of convenience and freedom of wireless communication‎.‎ With the double‎'‎functional power adapter and advanced built‎'‎in microphone‎,‎ it abopts D ‎.‎ S‎.‎ P solution for echo cancellation & noise suppression‎,‎ this speakerphone brings you an outstanding full duplex sound quality‎.‎ It’s the best companion of the car owners and travelers‎.‎ it is also the best companion of the car owners and travelers‎.‎ You will love it‎!‎ Buy it today‎!‎ You can’t miss it‎!‎‎:‎This device use English voice repore‎.‎Conveniently kit to clipped to the car‎'‎s sun visor‎,‎ easy operation‎.‎Also used for hands‎-free calling at home‎,‎ office‎,‎ etc ‎.‎Multipoint technology and this speaker can be connected to 2 mobile phone‎.‎Strong signal‎,‎ clear sound and non‎-radiative‎.‎With the highest quality design‎:‎ Adopt the steel wire clip to firmly fix this product on the sun visor‎.‎With the USB charging port‎:‎ Adopt the Mini USB charging port‎.‎With the humanize button configuration‎:‎ The most frequent use answer and hang button are‎.‎Located on the head of this product‎,‎ so as to convenient to use‎.‎ The button with the protruding design‎,‎ you an easily find them and use it when during driving‎.‎With 2W speaker and high sensitivity microphone‎.‎How to use it‎:‎1‎.‎ After switch on‎,‎ press the button on the top of the product for six seconds‎,‎ the indicator lamp will alternately flash with blue and red and has the voice prompt ‎"‎Had readied to match‎"‎‎.‎2‎.‎ Open the phone Bluetooth function‎,‎ and search for ‎"‎BTLD‎-158‎"‎ and click it to contact‎.‎3‎.‎ After finish contacting‎,‎ the phone will voice prompt ‎"‎The phone one contacted‎"‎‎.‎Type‎:‎ Bluetooth Sun VisorMain Color‎:‎ BlackCompatible Bluetooth Specification‎:‎ V3.0+EDRWorking Frequency Range‎:‎ ISM ‎(‎2.4‎-2.48GHZ‎)‎RF Output Power‎:‎ 0‎-10 MetersBulid‎-in Rechargeable Battery‎:‎ 3.7V‎,‎ 600‎-650mah ‎(‎BL‎-5B‎)‎Working Time‎:‎ up to 10‎-12 hoursStandby Time‎:‎ up to 500 hoursThe Charger Output‎:‎ 5V‎-6V 400MAThe Headset Power‎:‎ 0.37WTransmitted Power‎:‎ Class 2The Microphone Sensitivity‎:‎ ‎-41DBThe Noise‎:‎ 20 Decibel Doise ReductionCharge Time‎:‎ About 2‎-3 hoursThe USB Cable Length‎:‎ 50cm/19.69‎"‎ ‎(‎Approx‎.‎‎)‎Size‎(‎L x W x H‎)‎‎:‎ 118mm x 46mm x 16mm/4.65‎"‎ x 1.81‎"‎ x 0.63‎"‎ ‎(‎Approx‎.‎‎)‎Notes‎:‎Due to the light and screen setting difference‎,‎ the item‎'‎s color may be slightly different from the pictures‎.‎Please allow slight dimension difference due to different manual measurement‎.‎