TechCool-ear rear-mounted water waterproof wireless Bluetooth headset, model applicable to iOS (black and blue, black and green) , black and blue

Description

Use: rear-mountedFeature: support for music, phone, battery indicatorBluetooth protocol: 4.0Channels: stereoUse: earbudBuilt-in battery: 80mhStandby time: 120 hoursTalk time: 5 hoursCharging time: 2-3 hoursColor: black, blue, black, greenSize: 35.5*3.5cmPacking size: 19*25*45cmPackaging weight: 0.17KGProducts include: headphones + line + manual + ears take