【Auto turn on & Pairing】No need to press any buttons, as soon as take out the headphones from magnetic charging case, and the earphones will be automatically turned on and synchronized. Open your phone and search for Bluetooth to connect to use. The headset will automatically connect to your device after the first use.

【Longest Battery Life】Improved lithium polymer battery, allows seamless enjoyment of music for up to 5 hours on a single charge, and the charging case can provide extra 5 times extra power if fully charged, so the super musical earbuds power can last more than 20 hours. It will show the remaining battery power of the headphones on the Phone screen.

【Bluetooth 5.0 Technology】With latest Bluetooth 5.0 and noise canceling technology, provides in-call stereo sound, and owns fast and stable transmission without tangling, offering you True HD HIFI Stereo sound quality.

【IPX54 Waterproof & Sweatproof】High-level waterproof and sweatproof makes it suitable for sports to prevent water ingress. Ideal for sweat it out at the gym or singing in the rain. Even running, sports, jogging, cycling, driving, office and relaxation.

Drive: 12mm

Impedance: 32 OHM

Bluetooth version: Bluetooth v4.1

Bluetooth use band: 2.4GHz

Power level: CLASS II

Output power: 30mW

Bluetooth distance: 10 meters barrier

Frequency response: 20-20000Hz

Operating voltage range: 3.0V-4.2

Mitou sensitivity: -42dB

With A2DP / AVRCP high quality stereo audio transmission and remote control protocol

Powerful noise de-noising circuit (active noise reduction)

switch between Chinese and English (boot does not connect Bluetooth state, press the switch 2 times, hear the tone switch successfully)

Charging time about 1-2 hour (power indicator charging: red light, full power: red light off (blue light).)

Product Size: Length 25MM. Width 15MM. High 35mm

Product net weight of about 5g

Talk time is about 4-5 hours

Music time about 4-5 hours

.Standby time is about 100 hours

Battery capacity 50MAH each one

Charging Box capacity is 1000 Amh

Charging power: DC5V power supply [round hole interface] (computer USB port, mobile phone charger, car charger)