Bluetooth Headphones, VFAD Adjustable Bass Wireless 4.2 Sports Earbuds with Mic Sweat-proof Stereo/ Earbuds for Gym Running Headset 10 Hours Play Time

Descripción

LOW-FREQUENCY ADJUSTABLE TECHNOLOGY: Independently-developed (0 - +10db) Low-Frequency Adjustable Technology. Fit any type of performance. FLEXIBLE & LIGHTWEIGHT: weighs only 0.4 oz, 60% lighter than any other neckband headset , you will even forget you have them on! Technical specification: - Bluetooth Specification: 4.2 - Low frequency manual adjustable range: 0--+10db -Sweat proof - Transmission Distance: 30ft - Battery: Lithium-ion 145mAh - Frequency Response: 20 -22kHz - Charging Port: Micro USB - Charging Time: - Playtime: 10-12 hours - Standby Time: 240 hours What's in the Box: -Bluetooth Headhpone - USB Charging Cable -Carrying Case - User Manual - Earphone cable clip - Silicone Ear Tips x 7 Pairs -Memory Foam Ear Tips x 1 Pair -Low Frequency Switch Adjustment Tool x 1