Title:TWS ENC Noise Cancelling Headphones P9 BT Wireless Earphones Double Mark ENC Noise-cancelling calls Long Battery LifeFeatures:[Call noise reduction,clear speech throughout]The dual-microphone”velocity shaping”technology can accurately pick up the human voice.The structure design can improve the wind noise reduction ability.[Binaural channel transmission] 10mm large moving speaker,equipped with high-sensitivity composite diaphragm,highly restored music details,three-band equalization,with give you a rich listening experience.[ENC active noise cancellation] Using dedicated noise reduction chip,by receiving and analyzing the outside world noise,which produces its opposite signal in the earphone cancellation,thereby shielding external noise.[24 hours long battery life] A single earphone can play for 5 hours,with charging the battery compartment can be used all day,so you don’t have to worry about running out of electricity when you go out.[Fashion leather,HiFi sound experience] The charging case interprets the graceful curves with a beautiful design.Warm touch,Yingying one grip,feel more comfortable,lightweight,portable,pleasant to travel with.Specification:Wireless solution/version:Jerry 6976/D8 Wireless 5.1Mark specifications:Silicon mark 2718*2Audio decoding format:Protocol HFP A2DP AVCTP SPPAntenna specifications:GL31H2450-S06The main material:ABSControl method:touchCharging interface:Type-CTransmission distance:15-20 metersSpeaker material/Specification:Titanium film 10mm speakerBattery material/specification/capacity:Pure cobalt material/401012/35mAhHeadphone charging current/time38mA/1HCharging compartment battery/capacity:602030Charging bin charging current/time:250mA/1.5HMusic current/Music time:6-7mA/5HCall current/call time:7-8mA/3-4HStandby current/standby time:12uAENC noise reduction mode(single mark/double mark)/depth range:double mark ENC HD callPackage list:2*BTheadset1*Charging box1*USB charging cable1*User Manual