展开Open-ear design closes to the ear bone, sound waves directly transmitted to the acoustic system to enjoy high-quality music while not hurting the ear. Wireless 5.1 and bone conduction technology delivers Hi-Fi music through your bone, ensuring ears remain completely open to ambient sounds for maximum situational awareness during long-term wear. Enjoy up to 14Hrs unstoppable and wonderful music after 1.5Hrs fully charged.Bone Conduction Technology - Adopt bone conduction technology and open fit design delivers music through your cheekbones, ensuring your ears remain completely open to ambient sounds for maximum situational awareness during long-term wearing. Wireless 5.1 Stereo Hi-Fi Sound - Latest Wireless V5.1 ensures fast and stable signal transmitting, offering impressive crystal clear stereo sound when on call or listening music. The high-sensitive microphone can grasp the details of voice and offer crystal clear sound even in a noisy environment. Open Ear Hook & IPX5 Waterproof - Adopts open hook design, comfortable to wear even for long time. It can provide hands-free driving call. Never miss an important call while keep safe when driving. Enjoy 14Hrs Music Time - About1.5Hrs full charge for earphone via included USB charging cable and enjoy up to 14Hrs unstoppable music. Suitable for white collar, sport lover and those who wants to protect ears. One-Key Operation - Adopt one-key button design, simply and quickly fulfill almost all functions via pressing buttons like answer/end/reject a phone, play/pause, pairing, power on/off, next/previous song, voice assistant wake-up, etc. Kindly Reminder - *Voice assistant can be achieved only when your phone support this function.* Avoid listening music with high volume for long time.* Do not disassemble the earphones, it may cause malfunction or damage.* Do not immerse the earphones into water.* Volume adjustment can-'t achieve through headset button.Brand - iNovaProduct Type - Wireless 5.1 Bone Conduction EarphoneTransmission Range - 10/32.8ft (Without Barriers) Transmission Frequency - 20Hz-20kHzInput Power Rate - DC 5V/1AMicrophone Sensitivity - -42dBTalk/Music Play Time - 14Hrs (80%Volume)Charging Time - 1.5HrsStandby Time - 200HrsEarphone Battery Capacity - 1Pc 180mAh Polymer Lithium BatteryWaterproof Level - IPX5Micro USB Length - 30cm/11.81inItem Size - 13x10x6cm/5.12x3.94x2.36inItem Weight - 17.5g/0.04lbsPackage size - 17*16*4cm/6.7*6.3*1.57in Package weight - 62g/0.14lbs