Specification: Condition: 100% Brand New_x000D_Item Type: Music Eyeshade_x000D_Material: Cotton_x000D_Color: Black,Grey(Optional) _x000D_Weight: Approx. 103g_x000D_Bluetooth Version: V5.0_x000D_Frequency Range: 2.4026GHz-2.480GHz_x000D_Transmission Distance: More than 20 Meters_x000D_Sound Track: Stereo Sound_x000D_Speaker Impedance: 32 oHm_x000D_Speaker Power: 10 mill watts X 2_x000D_SNR: 104dB_x000D_Battery Capacity: 180 mAh Features: 1Comfortable and breathable material, shading and help sleep. 2The_x000D_latest bluetooth V5.0 chip,_x000D__x000D_high fidelity stereo, shock bass effect, _x000D__x000D_clear all and continuous stable. 3Simple_x000D_button, operation with only one button. 4Charge_x000D_for 2.5 hours and play for 8 hours. 5Strong_x000D_shading and does not press the ear. PackageList: _x000D__x000D__x000D__x000D__x000D__x000D__x000D__x000D__x000D__x000D__x000D_1_x000D_x Music Eyeshade_x000D__x000D_1_x000D_x Manual_x000D__x000D_1_x000D_x Charging Cable_x000D__x000D_