Model: QT81 TWSTransmitting Distance: 10m/33ftHands-free with Dual MicWaterproof performance: IPX5Smart Touch ControlLenovo QT81 TWS Bluetooth 5.0 Earphone with LED Power DisplayTWS BT5.0:Wireless dual ear design, you can use the earbuds solely or in pairs. BT 5.0 brings higher data transfer speed, ..