TWS & Bluetooth 5.0-The true wireless Bluetooth V5.0 earbuds adopt the most advanced Chip & EDR technology, which have fast and stable transmission and low power consumption.With an innovative acoustic design and vibrating diaphragm technology deliver superb HI-FI stereo sound and richer bass for your favorite music, and clear audiobooks, crisp podcast and HD handsfree calls. A truly natural sound experience tailored to you.
 
3500mAh Ultra Large Capacity- The wireless earbuds have high-quality lithium batteries that allow you to listen to HiFi music or HD calls 3-4 hours in a single charge. The unique wireless Bluetooth earbuds with 3500mah charging case, which can display the remaining power. When fully charged, It automatically charges your wireless earphone more than 20 times. Portable and compact. It can also be used as a power bank in an emergency.
 
Fast Pairing- Take out 2 earbuds from the charging case simultaneously,the upgrade wireless earbuds will be automatically powered on and each other paired, then connect your BT device automatically . The wireless distance up to from 66 ft. 
 
Comfortable and Fit - Design for ergonomic and lightweight (0.16oz) true wireless earbuds, small and invisible. There are 3 pairs of S/M/L size ear tips, fits for adult and teenage kids. Super soft silicone in-ear bluetooth earbuds securely and comfortably fit your ears. Free from wires tangling.
 
DETAL INFORMATION:
Features:
• Type: TWS BT5.0 In-ear Earbuds(Black)
• Earbuds Color: Black with breath light 
• Charging Case Color: Gold with charging lights 
• Earbuds Operation: Touch Control 
• Smart Earbuds: Auto Power on&off/Pairing /Connection
• Pairing Types: Mono/Sereo Mode
• Siri Connection: Support
• Earbud Dimensions: 0.71X 0.9 X 0.98 in (WxHxD)
• Charging Case Dimensions: 3.5*2.2 *1.4 in 
• Net Weight: 0.16oz*2(Earbuds)/3.8oz(Charging case) 

Specifications:
• Bluetooth Standard: V5.0
• Wireless Profile: HFP1.7,HSP1.2,A2DP1.3,AVRCP1.6
• Working Frequency: 2.402 GHz - 2.48GHz 
• Audio Codec: AAC SBC MP3
• Wireless Working Range: 66 feet(without obstacles)
• Talk/Play Time: 5 hours(medium volume)
• Standby Time(without charging case): 120 hours
• Charging Time(Earbuds):2 hours
• Charging Time(Charging Case): 3 hours@5V/2A
• Battery Capacity: Earphone 65mAh*2/Case 3500mAh
• Speaker: Φ8mm*2 HiFi Stereo
• Speaker Sensitivity: 110±3dBspl@1kHz/1mW
• Impedance: 32Ω±15% 1kHz
• Speaker Frequency: 10Hz-20KhZ
• Microphone: Built-in
• Dustproof & Waterproof: IP68
 
Package Contents:
• 1X Pair of Earbuds
• 1X Charging Case  
• 1X Micro USB Charging Cable
• 4X Pairs of Ear-tips (One pair installed)
• 1X User Manual  
 
 
If you have any query about our product, please feel free to contact us at service_bulife@126.com, and we will be happy to help.