Fineblue F970 Pro Clip on Bluetooth 5.0 In Ear Earphone for Business /Sport|Bluetooth Earphones & HeadphonesDescription:1.BT V5.0 and compatible most devices, built-in sensitive range alerts and vibrate incoming call alarm.2.Retractable cable with one-click to rollback earbud, making the cable orderly; Hands-free with clip-on-collar design, easy to carry.3.Built-in high-definition microphone, noise reduction enhances call audio transmission performance, clear voice transmission, high-quality calls and HiFi music.4.Multi-point connection, release your hands, ensure driving safety, you can connect two smart phones at the same time.5.Built-in rechargeable 100mAh battery, long-lasting battery life, can provide up to about 10 hours of talk time, about 10.5 hours of music time and about 160 hours of standby time.Specification:Model: F970 ProBT Version: V5.0Sensitivity: 953dBImpedance: 16Transmission Distance: 10m/33ftFrequency response: 50-20KHzWearing type: In-EarMaterial: ABS+AlloySpeaker Size: 10 * 4mmMic Size: 4 * 1.5mmMic Sensitivity: -42+/-3dbCharging Time: 1.5hMusic Time: 10hTalk time: 10.5hStandby time: 160hBattery Capacity: 100mAh Li-ion BatteryCable Length: max. 31 cm / 1.22 "(approx.)Earphone size: length: 55mm / 2.17 ", width: 27mm / 1.06", height: 15mm / 0.59 "(approx.)Product weight: 20.1g / 0.7ozPackage size: 13 * 10.2 * 4cm / 5.1 * 4.0 * 1.6inPackage weight: 87g / 3.07ozPackage Includes:1 x Earphone1x USB Cable3 x Eartips1 x User Manual