Dimensions: 25.59 in x 0.94 in x 0.59 in (65cm x 2.4cm x 1.5cm)Quantity: 1PieceMaterial: PlasticColor: BlueBluetooth Version: Bluetooth V4.1Frequency Range: 2.4GHz-2.48GHzOperating Distance: Up to 10M(Free Space)Bluetooth Profiles: A2DP， AVRCP， HSP， HFPFrequency Response: 20Hz-20kHzTalk/Music Time: About 5 hoursStandby Time: Up to 180 hoursCharging Time: 2 HoursOperational Temperature: -10 to 50¡æCable Length: 58cmFeatures:Powerful functions， especially for youNoodle Shape Cable£ºAntiwind， easy to comb， safe environmental protection， high temperature resistant， can be used in outdoor for a long time11.5 grams: Probably the lightest headset in the worldT-Light in-ear design: Custom fit in-ear buds ensure long lasting comfort in rigorous environmentCrystal clear sound: Crafted with built-in 10mm dynamic driver， and CCAW voice coil， created surprising full-bodied timbre， clear and bright， restore crystal clear soundWind noise reduction: Special headset design and electronics technology filter wind noise， improve call claritySweat-proof: Effectively prevent sweat and rain interfere with headset operation Multipoint pairing: Connect to 2 mobile phones simultanously Voice Command: Say "Yes" or "No" to pick or reject call， add convenience to your life