Original Sound 3D Sound HDSS Clear, distortion-free realism Acoustic technology that restores the beautiful original sound during recording Amazingly clear realism ・3 size ear pads ・Noise canceling during calls ・IPX4 waterproof ＜How to Use＞ 1. Put the Bluetooth earphones in pairing mode 2. Turn ON the Bluetooth function on your smartphone, etc. 3. Select "AH-TWS06" For iPhone / For Android ＜Specifications＞ ●Bluetooth version: V5.3 ●Supported profiles: HFP/HSP/A2DP/AVRCP ●Earphone battery capacity: 35mAh x 2 ●Case battery capacity: 300mAh ●Impedance: 32Ω ●Driver unit: 10mm ●Playback frequency band: 20Hz～20000Hz ●Output sound pressure level: 107±3dB ●Quick charge: 1 hour of playback with a 10-minute charge ●Earphone charging time: 1.5 hours ●Case charging time: 2 hours ●Codecs: AAC/SBC ●Continuous playback time (volume 50%): 7 hours ●Continuous talk time (volume 50%): 6 hours ●Quick charge: 1 hour of playback with a 10-minute charge ●Maximum speaker input: 5mW ●Number of charges: 2.5 times ●Continuous standby time: 300 hours ●Accessories: Ear pads (S, M, L), Type-C charging cable