Bluetooth Neckband Headphones, KOCASO Wireless Earbuds Sweat-Proof Sport Earphones, Lightweight, with Call Alert Number Broadcast Neckband

Features FREE MOVEMENT BLUETOOTH 4.0 - for wireless connections with cell phones, tablets, laptops, and more! Can connect to two devices simultaneously. HANDS-FREE CALLING - with in-line mic and control pad. Provides audio alerts for your phone's notifications. Noise reduction and echo cancellation - just like the higher priced competitors! CUSTOM EAR FITTING - Ships with a variety of earbud sizes so you have a custom fit. Magnetized earbuds keep them tidy while you're not using them. Included ear hooks are customizable to your ear shape for a snug fit. EFFICIENT CHARGING TIME - 1 hour. Talk time: 6 hours. Music play time: 4 hours. Standby time: 200 hours. Specifications Bluetooth Version: CSR4.0 Charging Time: 1 hour Standby Time: 200 hours Talk Time: 6 hours Music Play Time: 4 hours Frequency Range: 2.402G-2.480G Frequency Response: 20-20,000Hz Ambient Temperature: -20/+60 Transmission Distance: 10m/32ft Charging Voltage: DC 5V 300mAh Battery: 3.7V 55mAh li-ion battery Output Power: 10mw Drive: 0.45inch Sensitivity: 110dB+/-3dB Cable Length: 23.62 inch Net Weight: 0.5oz Package Contents 1× Bluetooth Earbuds 1× USB Charging Cable 1× Set of Earcap (small) 1× Set of Earcap (large) 1× Set of Ear Hang 1× Cable Adjuster 1× Cable Clip 1× User Manual Features FREE MOVEMENT BLUETOOTH 4.0 - for wireless connections with cell phones, tablets, laptops, and more! Can connect to two devices simultaneously. HANDS-FREE CALLING - with in-line mic and control pad. Provides audio alerts for your phone's notifications. Noise reduction and echo cancellation - just like the higher priced competitors! CUSTOM EAR FITTING - Ships with a variety of earbud sizes so you have a custom fit. Magnetized earbuds keep them tidy while you're not using them. Included ear hooks are customizable to your ear shape for a snug fit. EFFICIENT CHARGING TIME - 1 hour. Talk time: 6 hours. Music play time: 4 hours. Standby time: 200 hours. Specifications Bluetooth Version: CSR4.0 Charging Time: 1 hour Standby Time: 200 hours Talk Time: 6 hours Music Play Time: 4 hours Frequency Range: 2.402G-2.480G Frequency Response: 20-20,000Hz Ambient Temperature: -20/+60Transmission Distance: 10m/32ft Charging Voltage: DC 5V 300mAh Battery: 3.7V 55mAh li-ion battery Output Power: 10mw Drive: 0.45inch Sensitivity: 110dB+/-3dB Cable Length: 23.62 inch Net Weight: 0.5oz Package Contents 1× Bluetooth Earbuds 1× USB Charging Cable 1× Set of Earcap (small) 1× Set of Earcap (large) 1× Set of Ear Hang 1× Cable Adjuster 1× Cable Clip 1× User Manual Kocaso Bluetooth Smart Sports Stereo Earbuds Headphone Remote Microphone, Long play time Easy operation Magnetized earbuds easy storage,Sync with 2 devices,easy switch between music and call bluetooth earbuds,universal wireless devices,Bluetooth 4.0, Bose Ear buds, Bose Headphones, skullcandy earphones, Cheap ear buds, Cheap Headphones, Best Headphones, Under 30, 40, 50, Premium sound, high quality, deep bass, workout bluetooth wireless hands free head phones, gym, headphones,Supports hands-free calls FREE MOVEMENT BLUETOOTH 4.0 - for wireless connections with cell phones, tablets, laptops, and more! Can connect to two devices simultaneously. HANDS-FREE CALLING - with in-line mic and control pad. Provides audio alerts for your phone's notifications. Noise reduction and echo cancellation - just like the higher priced competitors! CUSTOM EAR FITTING - Ships with a variety of earbud sizes so you have a custom fit. Magnetized earbuds keep them tidy while you're not using them. Included ear hooks are customizable to your ear shape for a snug fit. EFFICIENT CHARGING TIME - 1 hour. Talk time: 6 hours. Music play time: 4 hours. Standby time: 200 hours. Specifications Bluetooth Version: CSR4.0 Charging Time: 1 hour Standby Time: 200 hours Talk Time: 6 hours Music Play Time: 4 hours Package Contents 1× Bluetooth Earbuds 1× USB Charging Cable 1× Set of Earcap (small) 1× Set of Earcap (large) 1× Set of Ear Hang 1× Cable Adjuster 1× Cable Clip 1× User Manual