Wireless Bluetooth In-Ear Earbuds with Mirror Charging Case

total harmonic distortion: 100 hign-concerned chemical: None Type: Does not apply wireless type: Bluetooth is wireless: Yes category: Earphones & Headphones impedance range: from 33 to 100 Ω bluetooth version: 5.0 plug type: Line Type headphone pads material: Silicone charging method: Charging case material: Plastic control button: No connectors: USB Model: Does not apply certification: FCC waterproof: Yes vocalism principle: Dynamic Brand: Does not apply style: In-ear package list: Charging Cable resistance: 32 communication: True wireless volume control: Yes active noise-cancellation: No with microphone: Yes Connectivity: Does not apply origin: Mainland China