Description: Product model: TW90 Bluetooth headset Bluetooth solution: Bluetooth 5.0, high-definition binaural call, master-slave switching Speaker: high-quality true copper ring speaker Chip: true stereo chip Charging warehouse standby time: 60+ days Earphone usage time: 3-5 hours, the base charger can charge the earphone 10 times+. Headphone charging time: 40~50 minutes Headphone battery capacity: 35 mAh pure cobalt Charging box battery capacity: pure cobalt 2000 mAh (with IC protection board) Transmission distance: 15-18 meters without barrier Color: black, white Package weight: 170g Color box size: 10.4*9.8*3.7cm Specifications: 1. Large capacity 2000MA battery, can be used as a power bank to charge mobile phones 2. Only with type-C interface, convenient and fast charging 3. LED power display, the power of the headset and charging compartment is clear at a glance 4. Connect after opening the cover, the connection is faster and more stable 5. Fingerprint touch operation,easy operation of the headset Package Included: 1 pair x Earphones (left and right ears) 1 x Type-C Charging Cable 1 x User Manual 3 pair x Ear caps