Irovami OY631 Wireless Headset

Specifications: Type: Headset Material: ABS, Soft protein Color: Black BT Version: 5.0 Working distance: 30m Working voltage: 3.7V Charging voltage: 5V Battery capacity: 300mAh Charging time: 1-2 hours Loudspeaker size: 40mm Impedance: 32Ω Sensitivity: 108±5 dB Frequency response range: 20-20000Hz Package Size: 16*16*7cm / 6.3*6.3*2.8in Package Weight: 193g / 6.8oz Package List: 1 * Headset 1 * USB Charging Cable 1 * Charging Base 1 * User Manual