•[Ergonomic design] Perfectly fit in ears, comfortable to wear •[Neckband design] Ergonomic neck hanging design, stable and comfortable, with skin-friendly silicone neck hanging strip •[Magnetic design] Strong magnetic automatic adsorption, hanging on the chest when not in use without knotting •[HIFI sound effect] The high-quality moving coil unit truly restores the sound quality •[Bluetooth-compatible 5.4] Equipped with the new high-speed Bluetooth-compatible 5.4 chip, the game does not lag, with a stable and fast connection Specifications: •Material: ABS+PET •Bluetooth-compatible version: V5.4 •Transmission distance: ≥ 10m •Speaker size: 10mm •Audio decoding: AAC, SBC •Headphone battery: 105mAh •Headphone use time: about 5 hours •Headphone charging time: about 2 hours •Waterproof level: IPX5 Package included: •1 x Bluetooth-compatible Headset •1 x Charging Cable •2 x Pair of Eartips •1 x English and Chinese User Manual