- BT 5.3 chipset offers more stable and faster connection with BT-enabled devices.
- 8mm speaker unit can deliver 8D surround sound. CVC 8.0 noise cancelling technology provides clear binaural call.
- 2400mAh charging case with exquisite texture and magnetic cover lasts long playtime and brings more life convenience.
- Ergonomic design and soft silicone eartips ensure comfortable and stable wear even for a long time.
- One-click touch-control, easy to switch songs/answer calls/adjust volume/summon voice assistant, etc.
Features: - BT 5.3 chipset offers more stable and faster connection with BT-enabled devices.  - 8mm speaker unit can deliver 8D surround sound. CVC 8.0 noise cancelling technology provides clear binaural call.   - 2400mAh charging case with exquisite texture and magnetic cover lasts long playtime and brings more life convenience.  - Ergonomic design and soft silicone eartips ensure comfortable and stable wear even for a long time.  - One-click touch-control, easy to switch songs/answer calls/adjust volume/summon voice assistant, etc.  - Comes with LED-digital display to clearly show you the battery remaining level.  - The left and right earbuds can be used together or independently.  - Large capacity can charge your mobile phone as a power bank.  - Sweat-proof and water-resistant design, no fear of  rainy day.  Note:  * Please read the user manual carefully before use. * There may be slight errors due to manual measurement.  Specifications: Model: F9-6  Color: Black BT Version: 5.3 Music Time: 5-6H Call time: 5-6H Charging Time: 1-2H  Standby Time: 650H (with charging case） Working Distance: 10-20m Working Temperature: -10~55℃  Headphone Battery Capacity: 50mAh / single  Charging Box Battery Capacity: 2400mAh  Item Weight: 82g / 2.89oz Package Size: 11.2 * 9 * 4.5cm / 4.41 * 3.54 * 1.77in Package Weight: 113g / 3.99oz   Package List:  2 * Earbuds (Left & Right)  1 * Charging Case  3 * Pair of Eartips (One pair on the earbuds)  1 * Charging Cable  1 * User Manual (English)