Specification:Product model: DYY-1capacity: 120mahBluetooth version: 5.0Bluetooth distance: 10MStandby time: 120HProduct color: black, red, grayFrequency response range: 20HZ-20KHZPlay time: 5HMaximum charging voltage: 5VCharging time: 1.5HFunction: call function / support musicfeature:Open wireless headphones surround the directional sound field, open design, only 18g, sweatproof and waterproof, small body lifeWear comfortably without ear clips, protect ears from damageSurrounding directional sound field The speaker adopts physical ecological diaphragm technologyThe headset is only 18g, light and wearable120mah life, Bluetooth 5.0 chip, lower power consumption, stronger life, IPX5 life waterproofPacking list:earphone * 1charging cable * 1manual * 1