Bluetooth Headphones, Bluetooth 4.1 Bluetooth Headset with Noise Cancelling Mic, Stereo Wireless Sport Headphones for Sport Gym Running

Bluetooth 4.1 Hands-free Calling Advanced Bluetooth 4.1 technology features faster and stable signal transmission, clearer sound quality and lower power consumption. Bluetooth earphones with built-in microphone allow auto switching between music and calls. CVC Noise ISolation The CVC 6.0 technology help reduce background noise significantly, plug-in style headphones give you best deep bass and crystal clear treble experience. Ultra-light weight design & Comfortable & hands free This Wireless Headphones Bluetooth is weight about 0.55oz, the ultra-light weight and simple style ear wings designed to help stay in your ears snug, it does not cause any pain to the ears, you can take hands free so you can continue working out. Specification: Standard: Bluetooth 4.1 + EDR Frequency: 2.4026-2.480GHz Mode: HSP, HFP, A2DP, AVRCP, OPP, PBAP Operation range: ?39 feet (10M) Battery: Lithium-ion Polymer 110mAh Charging Port: Micro USB Playback Time: 6-8 hours Standby Time: 300 hours Charging Time: 1 - 2 hours Hassle-free Customer Service Thank you for your sincerely support! We provide 90 days warranty, but exclude the situation of artificial damaged or overload working. Any problems, please kindly email us firstly. We will always help you solve the problems without any hesitation.