Specifications:1.180 degrees rotating design, Ear hook design, painless and ergonomic, suit for left and right ear.2.Adopt Bluetooth 5.0 technology, stable signal transmission.3.big lithium battery built in,more than 10 hours work time.4.Bluetooth transmission distance: 10 meters.5.IPX4 sweatproof, it is no problem to wear when doing exercise, running, cycling.6.It has voice prompt and power display on for iOS devices.Widely compatible with most Bluetooth-enabled devices.Support adjust volume and change musicProduct Feature: Bluetooth: V5.0Wireless Distance: 10m/32.8ft (Approx.)Protocols: SBC/AAC/mSBCMic Sensitivity: -40dB +/- 2dBWaterproof: IPX4Frequency: 20Hz-20KHzSensitivity: 108DBSpeaker: 6mmCall Time: 15HoursMusic Time: 16 HoursCharge Port: Micro USBInput: DC 5V/1ACharging time: 40minBattery capacity: 160mAhQuantity: 1Pc (Unilateral)Packing size: 14.5*10.3*3CMWeight: 100gFeatures: Voice Prompt, Wireless, Volume Control, Ergonomic Ear Hook, 180 Degree RotationNote: Due to the light and screen setting difference, the color of item may be slightly different from the pictures.Package Includes:1 x Bluetooth Earphone2 x ear caps1 x Charge