Wireless Bluetooth Earbuds with Built-in Power Bank

Overview: Superior technology means superior sound: Experience top-shelf sound quality and bask in its incredibly powerful bass, crisp mid-highs, and crystal clear vocals, and have your own personal bubble that encompasses you in premium acoustics. Never-Drop Design-Ergonomic and never-drop design. Ultra light-weight with silicone earbuds guarantees comfortable wearing for a long time. Back-Up For Your Devices With a massive 2000mAh capacity battery, the charging case can provide additional charging power for your smartphone or other mobile devices. It’s a reliable emergency power supply in times of need. Specification Size: 11.3 cm * 9.2 cm * 4.5 cm Weight: about 120g-140g Color: F9-5 digital black, F9-5 digital white Transmission range: 10 meters Function: battery display, voice control, call function, support music, multi-point connection Bluetooth protocol: 5.0 Channel: Stereo Bluetooth version: 5.0 (Binaural call) Support protocols: A2DP, AYRCP, HCEP, HSP, SPP Operating temperature: -10 °-55 ° Charging voltage: 5V- 500MA Headphone speaker: φ 8mm Headphone battery capacity: 50MaH Storage box battery capacity: 2000MaH Transmission distance:> 10m Talk time: 4-5 hours Playtime: 4-5 hours Headphone charging time: 1 hour Storage box charging time: 2 hours Support system: all Bluetooth-enabled devices and hands machine Please understand, we are unable to accept returns or provide refunds due to the nature of this item and hygiene reasons. Thank you for your consideration. Package Content 1 pair Bluetooth Earbuds and case