IDAD BX343 Wireless Bluetooth Earphones For Mobile, Sweatproof Sports Wireless Bluetooth Earphones, Waterproof Headphones For GYM, Magnet Wireless Earphone. Feature: Bluetooth 4.1 version - Fast Connection, The bluetooth 4.1 delivery speed around 10bps, That mean your phone can connect with our bluetooth in 3S .and It is compatible with 2 devices meanwhile in 10 M distance . Besides, The Signal of 4.1 is Stable and Strong Because we updated the Chip Technology . When our Bluetooth 4.1 and 4G internet are delivering at the same time , the bluetooth 4.1 will regulate transmission automatically so that it can reduce effect from other signal. Bluetooth profiles:HSP, HFP, A2DP and AVRCP,APT-X. Frequency range:2.4-2.48GHz, Standby current:? 10?A, Working Current:? 30mA, Working voltage:DC 5V, Charging current:DC 5 V 200 mA, Frequency response:20-20000 Hz, Microphone sensitivity:- 45db. 1 Year Warranty. Ergonomic design to optimize for your confrontation to meet your demand of active lifestyle like running, jogging, cycling, driving, camping, hiking gym exercise and other outdoor sport. Magnet adsorption - When you Stop sporting in outdoor. Waterproof, Sweatproof, Rich Bass Sound, Noise cancellation, Dual battery, IPX5, Magnet, Operating Distance 13 meters (equal to 33 feet). Long Lasting Battery -Built in a 110MAH Rechargeable Battery.You can play music or talking phone in 3 to 5 hours according to your volume level and audio content .Total in 160 hours standby time and 1.5 hours charging Time Since it has a super Light Weight Design, CVC6.0 noise cancellation - Patented physical impulse noise reduction system, balanced external acoustic wave impact, all metal design, bass surround sound. Sweatproof - Made for your active lifestyle, the earbuds are rated IPX Level 4 for Sweatproof . Ergonomic design to optimize for your comfortation to meet your demand of active lifestyle like running, jogging, cycling, driving, camping, hiking gym exercise and other outdoor sport. Magnet adsorption - When you Stop sporting in outdoor , you can hang your earphone in the neck as a decoration because it is Automatic magnet adsorption and avoid taking away from you. We specialize in manufacturing Bluetooth Headset , Bluetooth headphone. Specially we manufacture the headphones for Sporty / Fitness / Gaming . All of our headphones have a high quality, do not interfere with other people when playing or enjoying the music.