Sunall Sleep Headphones Bluetooth Headband Sleep Headphones Wireless Bluetooth Sports Headband Wireless Headphones Bluetooth Winter Warm Earphones Hat Wireless Bundle Music Headband Sport Headset Cap

DescriptionTypes:Headphones Bluetooth button Description: 1. Power on key / phone connection / pause / play button, 2. Volume plus key / next song, 3. Volume down key / Previous song key, 4. Microphone, 5. USB charging portBluetooth basic parameters: Transmission distance: CLASS ?, operating range: 10 meters, battery capacity: 180MAH, frequency range: 20-20KHZSensitivity: 95DBImpedance: 32 ohmsSpeaker size: 32MMCharging time: 2HVoice continuous call time 4-6 hoursBluetooth music playback time: 3-6H (70% of the volume state)Bluetooth function: answer / end / reject / transfer, phone waiting, redial, mute, volume adjustment, multi-point connection, listening to music / pause / play, up and down switch, voice dialProduct features:, comfortable and warm, listen to music, then callSuitable for the scene: outdoor travel, work on the road, leisure and entertainmentBluetooth 3.0 version connection supports intelligent compatibilityWireless connection / music / call / comfortVoice chat communication without distance, Bluetooth version 3.0 within 10 to enjoy the chat, winter calls do not have to be exposed in the handle, directly with a hat can pick up the phone, more convenientHD hifi sound quality to enjoy music, machine time to 4 hours or moreBluetooth easy to disassemble, easy to clearPackage includesearmuffs, brochures, data lines