Green Lion Flex Pro TWS True Wireless Earbuds Transmission Range: >10m -Charging Time: 1.5-2 Hrs -Earbuds Battery: 40mAh -Frequency: 20Hz-20kHz -Standby Time: 100 Hrs -Case Battery: 400mAh -High Quality Sound -Sensitivity: -38dB -Waterproof: IPX5 -Playtime: 5-6 Hrs -Bluetooth: V5.3 -Speaker: 13 mm -Voice Assistant -Touch Control -RGB Lights -ENC Green Lion Flex Pro TWS True Wireless Earbuds Transmission Range: >10m -Charging Time: 1.5-2 Hrs -Earbuds Battery: 40mAh -Frequency: 20Hz-20kHz -Standby Time: 100 Hrs -Case Battery: 400mAh -High Quality Sound -Sensitivity: -38dB -Waterproof: IPX5 -Playtime: 5-6 Hrs -Bluetooth: V5.3 -Speaker: 13 mm -Voice Assistant -Touch Control -RGB Lights -ENC