Magic L31 Binaural Stereo Headset $ 15.12 Model: L31 Function: Support music Bluetooth version: 5.0 Color classification: black white Package type: official standard Headphone category: true wireless headphones Waterproof performance: IPX5 How to use: In-ear Transmission radius: 10m Whether single or dual ear: bilateral stereo Smart type: other Standby time: 10 days Transmission radius: 10m Connection between the left and right cavities of the earphone: wireless connection Dustproof performance: IP5X Headphone and playback device connection method: Bluetooth connection