B138 hot selling bluetooth earphone

B138

Bluetooth Chipset：Jieli 6973D4
Bluetooth Version：5.3
Speaker：13mm
Battery：Earbuds 30mah , Charging box 250mah
Play time：≈5-6h
Call time：≈4h
Charging time ：Earbuds around 1 hour, Charging box around 2 hours
Bluetooth distance：15m
Color：Black/White

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HD Stereo True Wireless Earbuds - Premium Sound & Smart Control

⚡ HD stereo true wireless earbuds support Bluetooth 5.3 & Auto Pairing

Sport Earbud with latest tech:
✔ Bluetooth 5.3 chip - 3x faster than standard
✔ 32ft stable connection through walls
✔ Auto-pairing - Open case → instant connect
✔ Multi-point pairing - Phone+laptop switching

🎧 Immersive Stereo Sound

LED digital display TWS earbuds deliver:
➤ 13mm dynamic drivers (16Ω impedance)
➤ Wide frequency range 20Hz-20kHz
➤ HD call quality with silicon MEMS mic
➤ ENC noise reduction for crystal calls

🔋 30H Playtime & Smart Display

6hrs playback (single charge)
+24hrs from charging case
Dual LED screen shows exact battery %
USB-C/Wireless charging supported

🏃 IPX4 Waterproof & Ultra-Light

Bluetooth earphones built-in mic feature:
★ 3g featherweight - Lighter than a coin
★ Nano-coating protects against sweat/rain
★ 3-size ear tips for secure fit
★ Ergonomic design - All-day comfort

👆 Intuitive Touch Control

Smart capacitive touch:
• Play/pause
• Volume adjust
• Track skip
• Voice assistant
Wide compatibility: iOS/Android/Laptop