APT-X Bluetooth Headphones Wireless Sports in Ear Headset with Heart Rate Monito

Sport Bluetooth Headset
Integrated alloy Metal housing
Silicone Rubber Earhook with Memory Wire
Wireless Quick Charging
Support APTX HD Lossless sound transmission
Heart rate monitoring
Bluetooth Chipset &Version:UK CSR8645 V4.1
Support Profiles:HFP HSP A2DP AVRCP APTX
Noise Reduction:CVC 6.0
Battery Capacity:70mAH Polymer Lithium Battery
Operating Distance:10 Meters (w/o obstacle)
Function:Answer/End/Reject /Transfer a call/Call waiting/Call Redial/Voice Dial/Mute ;Voice adjustment,Play/Pause;Pre/Next;Voice Prompt