Bluetooth Headset Digital Display Charging Compartment Low Latency Game Pair Ear With Stereo Business Sports Earphones Feature: 1.Chip upgrade: upgrade 5.2 Bluetooth chip, automatically start and match 2. Operation function upgrade: touching switch to the previous/next song and volume adjustment 3. Large-capacity charging compartment: The charging compartment has a battery capacity of500mah, which can be used as a headphone storage box. 4. Enjoy & 9D heavy bass: Enjoy Hifi scenes and Enioy immersive 9D stereo surround sound effects 5. Intelligent noise reduction: intelligently reduce noise for calls, listen to songs, intelligently filter noise, and enjoy high-definition call effects without being affected by noisy environment 6. Strong compatibility: regardless of brand mobile phone and model, devices that support Bluetooth can use this headset 7. LED smart cold light digital display: real-time display of power 8. The headset battery is 40 mAh. The charging compartment battery is 300 mAh. 9. There are Chinese and English manuals, English prompts, and the headset can be used alone. 10. The headset is a touching version, the listening time is 7-9 hours, up and down, volume addition and subtraction, voice assistant Specifications: 1. The power of the earphone speaker: rated 3mw up to 5mw 2. Speaker size: 13mm in diameter 3. The frequency response range of the speaker: 20-20000HZ 4. Speaker sensitivity: average sensitivity 99db 5. Speaker impedance: 32Ω 6. MIC size: 4x13mm, tube core microphone head: 42±3db 7. Headphone standby time: 7-9 hours of playing music 8. Battery voltage: 3.7V 9. Charging time of the charging compartment: about 1 hour 10. Earphone charging time: about 1 hour 11.Bluetooth frequency 2.4G 12. Headphone battery: 40 mA 13. Rechargeable battery: 300 mAh with protection board 14. Transmission distance: ≥10m Package Included: 2x earphone 1x charging compartment 1x charging cable 4x ear cap 1x instruction Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Bluetooth Headset The More You Buy, the Better the Deal Christmaschristmas Decorations Before Christmaschristmas Decorations Clearancethe Before Christmasholidaynightmare Before Christmas Popchristmas Clearance To Better Fit You,please Do Measure the Size and Compare to the Size Chart Before Placing Order. AFTER SALE SERVICE: 30 Days after sales service and exchange, reply you within 24 hours to solve your problem.