Bluetooth Headphones,Nasin In-Ear Headset Snail Bionic Design Best Wireless Sports Earphones V4.0 Waterproof HD Stereo Sweatproof Headset with Mic, Battery work 17 hours(Black)

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Brand: Nasin Model: NB-7 Color: Black WHY THE NB-7 IS THE BETTER CHOICE IN BLUETOOTH HEADPHONES? ●waterproof / sweatproof protection ●longer battery life - Built-in 300 mAh battery in the bluetooth headphones device provides 17 hours of talk & playing time & 30 days standby time. ●passive noise cancellation ●secure comfort ●control calls - hands free calling and easy controls for volume, skip, pause and play. ●compatible with all bluetooth enabled devices ●premium packaging and premium quality accessories - 1 year warranty / 30 day hassle-free returns Technical specification: 1.Bluetooth version:V4.0 CSR 8635 2.Talking time: 20 hours 3.Music playing time:17 hours 4.Standby time: 60 days 5.Charging Voltage: 5V 6.Charging time:about 1.5 hours 7.Battery capacity:300MAH 8.Speaker: φ10mm 9.Operating distance:10M 10.RF frequency: 2.402-2.480GHz 11.Previous song,next song: Yes 12.Built-in Microphone，Answer/hang up calls, enjoy music, volume control 13 NFC pair:Yes 14.Color: Green, Black 15.Charge Jack: USB The package contains: 1x Bluetooth Earphone 1x Charging Cable 1x Storage bag 2x Earphone cape 1x Manual Nasin Link the world dream the future,improving little by little everyday,committed to creating high-quality intelligent products.