Comfortable Wireless Music - Bluetooth Sleeping Headphone Headband best digital scale - There might be a

- There might be a little color difference due to the monitor

Oodles of Bubbles: Built-in a high performance motor to produce more than 800 bubbles per minute

Long press the "Time" button to turn off the device

PC or use mobile phone charge adapter

Clear and convenient

Comfortable Wireless Music - Bluetooth Sleeping Headphone Headband best digital scale - There might be aBluetooth technical parameters: Bluetooth version: 5. 0 Bluetooth transmission distance: 10M Music playing time: Maximum sound 7h, medium volume 10 hours Microphone distance: 1m Bluetooth standby time: 72h Battery capacity: 150mA h Battery power: 0. 55w Horn impedance: 32 ohm Horn power: 0. 02w Frequency range: 2. 4 2. 4835ghz Sensitivity: 45dB Transmitting power: 6dB Audio output distortion: 0. 6% Audio output SNR: 93dB Charging time: 1 2 hours