A4Tech B27 True Wireless Earphone

A4TECH B27 TRUE WIRELESS EARPHONE PRODUCT DESCRIPTION:

Hybrid Diaphragm

M.O.C.I. is made of advanced biotechnology with bred nano mycelium and carbon fiber. Featuring 2Drumtek's Signature Sound, pushing out crisp trebles and midrange with deep, satisfying bass.

Bluetooth V5.2

Advanced Bluetooth v5.2 provides a steady connection. Compatible with PC, laptops, mobile phones, tablets, and other devices.

Playback Time 20H

Battery life can last for up to 5-hours per charge. Simply recharge your earphones for another 15-hours playtime with the aluminum charging case.

Control At Your Fingertips

With just finger touch, you can use them to play previous/next song, receive/end calls, enter voice assistant（Siri, etc）.

Quick Pairing

Automatically connected to your phone as soon as you pull out from the case after first connecting.

Transmission Independently

The earbuds can take calls using either, or both, of the earbuds. This allows you to alternate their recharging.

Enter Voice Assistant

Go smarter with your favorite voice assistant, Google Assistant and Amazon Alexa and Siri, etc.

Water Resistant (IPX4)

Ideal for those with an active lifestyle, you can work out to your favorite tunes and have the freedom to wear these wireless earbuds during a variety of outdoor activities.

Perfect Fit

Includes 2 pairs of ear wings (S/M) & 3 pairs of ear sleeves (S/M/L) for personal experience. Engineered from ultra-premium silicone, it provides twice the comfort.

SPECIFICATION:

Speaker Size: 10 mm

Frequency Response: 20 Hz-20 kHz

Earphone Sensitivity: 102 dB @ -10 dBFS

Mic. Sensitivity: -42 dB @1 kHz/Pa

Earphone Impedance: 32 ohm

Bluetooth Version: v5.2

Operation Distance: 10 m

Earphone Battery Type: Lithium Battery (40 mAh)

Charging Case Battery Type: Lithium Battery (400 mAh)

Charging Power: 5V=500mA

Earphone Charging Time: ＜1.5H (Low Battery to Fully Charged)

Case Charging Time: ＜1.5H (Low Battery to Fully Charged)

Music Playtime with Single Charge: ≈5H (50% Volume Data)

Playtime from Charging Case: ≈20H (50% Volume Data)

Earphones weight: 4.5g