1、[RGB Light] Ergonomically shaped neckband Bluetooth headphone with cool RGB LEDs on the outside of the headphone provides multi color slow flash auto switching backlight lighting when in use, making it more fun to enjoy music and dance and cooler to play games. Support breathing light, fade and single color mode. 2、[Stereo] Neckband earbuds headphone with 14mm drivers provide highly detailed treble with premium clarity and bass response. Delivers powerful bass, a detailed and full midrange, and pure, bright treble. Press the voice button to wake up the phone system's sound assistant, which supports most devices. 3、[Long Battery Life] With LED digital display, you can always check the headset power. 4、Support Memory Card to play music, favorite music stored in the card, do not use the phone can also listen to songs. 5、[Magnetic And Waterproof Design] Neckband headphone with magnets on the back of the two earbuds, can be adsorbed to each other to prevent the headphone from slipping lost, as well as tangled headphone cable. Item Type: Neckband HeadphoneMaterial: Silicone, ABSTransmission Distance: Approx. 15m/ 49.2ftRange: 20Hz-20KHz Sensitivity: 110DB±3DBImpedance: 32ΩSpeaker Specification: 14mm/ 0.6inInterface: Type C Charging PortBattery Capacity: 800mAh Lithium Battery (Included)Power: 10mWCharging Time: 2 to 3 hoursSupport Memory Card: Maximum 256GB (Not Included) Note: 1. Please allow 1~2 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.