universal android iphone bluetooth headset wireless for huawei samsung glory note10 iphone x 8 7 plusuniversal android iphone bluetooth invi

product name senlandi mini bluetooth headset bluetooth adapter: compatible frequency range: 2400~2480hz working range: 6~10 meters barrier-frequency response: 16hz~26khz drive unit: f6 double metal speaker bluetooth version: 4.1 headphone weight: 4 grams audio analysis: up to 24bit@2024khz how to use: earbuds whether single or both ears: unilateral hands call time: 2~3 hours music playback time: 12 hours