Cross-border X30 sports bluetooth headset 5.0 dual dynamic neck neck in-ear waterproof with electric vibration reminder

About Product:Essential detailsActive Noise-Cancellation:NOBluetooth Standard:Bluetooth v5.2Battery Indicator:LEDChipset:JL, JL6983Chipset Model:6983Communication:WirelessFunction:bluetooth, MicrophoneMaterial:ABSSize:MStyle:In-earSupport Memory Card:NoVolume Control:YesWaterproof Standard:IPX-5Model Number:CRTWS-G10Place of Origin:Guangdong, ChinaColors:Black/WhiteTransmission distance:10-15mCharging case battery:250mahBattery:40mah,polymer batteryWorking time:About 4-5 hoursCharging time:About 1~2 HourHeadphone size:31*18*19mmBattery size:52*57*27mmFrequency:20Hz-20khz