Wireless Bluetooth Bone Conduction Headphone Compatible V5.1

SPECIFICATIONS   Brand Name: Rondaful   Style: Neck-mounted Vocalism Principle: Electrostatic Active Noise-Cancellation: Yes Material: Silica gel Control Button: Yes Communication: Wireless Volume Control: Yes Category: Earphones & Headphones Certification: NONE Number Of Drivers: 2 Plug Type: NONE Impedance Range: up to 32 Ω Headphone Pads Material: Other Sound Isolating: No Support Memory Card: No Waterproof: No Frequency Response Range: 0-1Hz Magnet Type: Other Voice assistant built-in: No Wireless Type: bluetooth Line Length: 1.00m Height[mm]: 0 Width[mm]: 0 Driver Diameter: 0.00mm Resistance: 1.00Ω Depth[mm]: 0 Sensitivity: 1.00dB Is wireless: No Weight[g]: 0 NFC Technology: No Connectors: None Earcups Type: Sealed Bluetooth Version: 5.0 Battery life up to[hours]: 0 Total Harmonic Distortion: 1.00% Charging Method: Cable Max Output: 0.001mW Support APP: No Battery Capacity[mAh]: 0 Maximum wireless range[m]: <10m With Microphone: No   Bone Conduction Headphone Wireless Bluetoothcompatible V5.1 Headset Hanging Ear Sports Earphone Handsfree With Mic Gaming Headset Specifications: Item No.: KS-19 Transmission range: 10 meters Function: Call function, support music BT Wireless protocol: Version 5.1 Color: Black, green, white Packing List: 1pcs* Bone Conduction earphone 1pcs* Manual 1pcs* Charging cable Notes: 1. Due to the lighting effects and photographing angles, there is a color difference in the product, please understand. 2. Due to manual measurement, there is a tolerance in the product size.