TWS-B1 Dual True Wireless BT Headphones In-ear Stereo Music Headsets Invisible Earphone Hands-free w/ Microphone Charging Box for Exercise Business Home Use Silver

features advanced True Wireless (TWS) BT 4.1 Technology, built-in high-grade microphone and speaker, hands-free function and lightweight design. A great companion for your daily life, office time, driving or travel.

Features:
[TWS BT Design]
Wireless dual ear stereo design, left and right ear channel separation. You can use B1's left and right ear headset solely (Single Track Mode), or used them in pairs (Stereo Mode). True Wireless (TWS) BT 4.1 ensures strong signal and fast transmission, and offers high-fidelity stereo music.
[Lightweight and Invisible]
The BT headset each with 5g lightweight, mini size and ultra-soft earcap provide you long time wearing comfort, and its ergonomic and skidproof earhook design guarantees 100% Stable when walking, running, climbing, driving, skating, cycling, fishing and other outdoor sports.
[Built-in High-quality Microphone]
High-sensitivity microphone reduces ambient noises and grasps the detail of voice, ideal for in-car calling or working use. Integrated Multi-point Technology (in Single Track Mode) enables you to switch between your business and personal phones.
[Long Battery Life with Charging Box]
Built-in 250mAh charging box enables headset charging for 4-5 times, recharge the cabin fully in 2 hours through Micro USB interface. The headphones will charge automatically in the charging box and stop automatically after fully charged. 45mAh Li-ion battery in both left and right headphones ensures 2 hours of music time, 3 hours of talk time, and standby time is up to 40 hours.
[Easy Operation Pull In Design]
Simple operation with one button, easily control playing / pausing, answering / ending an incoming-call and redialing the last number. Pull In Design, convenient to carry and custody, avoids the loss of headphones.