True Wireless & Synchronizes: Boltune wireless earbuds adopts with the most advanced Bluetooth 5.0 technology, as stable as wired, which not only enhances the connection stability of binaural calls, but also reduces the signal transmission delay, effectively reduces the "time difference" between audio and video, the truly synchronizes. The range is up to 50ft away.
Single/Twin Mode: Not only can you use either wireless earbuds at a time for calls or music to let ambient sounds in, but also you can use two bluetooth earbuds to achieve stereo sound quality. Each headset can work independently, you can switch single/twin model as you like. The wireless earbuds will automatically connect to your phone immediately when open the charging case after connecting for the first time.
Enhanced Hi-Fi Stereo Sound Quality: Combines graphene diaphragms with high fidelity dynamic drivers, the bluetooth earbuds provides you with the most realistic, clear sound, and powerful bass performance, making you feel as if you were at an idol concert site. Combined its CVC 8. 0 noise reduction functionality, you’ll experience a whole new world of crystal-clear phone calls.
Comfort Fit & Easy Touch Controls: Special ergonomic design and only 0.2 Oz make the wireless earbuds sit comfortably and stable in your ears. Simply tap on the earbuds to skip songs adjust volume, play/pause music, answer/hang up phone calls, activate voice assistant – all without taking out your phone.
USB-C Quick Charge: No need to worry about forgetting to charge, USB-C fast charging technology allows you to quickly charge and start using the wireless headphones in a short time. The transfer speed is up to 10 gbps and Type C offers a more stable and safer way to charge. This design also increases Bluetooth earbuds’ battery life dramatically.
IPX8 Waterproof: Constructed with a nano-coating, professionally protects the internal structure of earbuds from the erosion of water and sweat, effectively extending the service life. The ideal wireless earbuds for GYM, running, and exercise.
Why chose Boltune wireless earbuds BT-BH021?
1. Adopts with the most advanced Bluetooth 5.0 technology, Boltune wireless earbuds not only enhances the connection stability of binaural calls, but also reduces the signal transmission delay, effectively reduces the "time difference" between audio and video, the truly synchronizes. The range is up to 50ft away. You don’t need any skill, the wireless earbuds will automatically connect to your phone immediately when open the charging case after connecting for the first time.
2. Combines special graphene diaphragms with high fidelity dynamic drivers for fine-tuned, low distortion sound with high sensitivity, at a wider frequency range. So you can feel the more realistic music. Crystal clarity and Deep, resonant bass with delicately tuned sound signature deliver immersive sound and put you on the stage center.
3. Special ergonomic design and only 0.2 Oz make the wireless earbuds sit comfortably and stable in your ears. After testing thousands of ears, the most suitable structure is selected so that everyone can experience excellent comfort.
Technical Specifications:
Bluetooth Version: BT5 0
Transmission Distance: 65ft max
Playtime: 6hrs + 30hrs
Waterproof Rating: IPX8
Audio Code: AAC SBC
Charging Case Capacity: 500mAh
Charging Port : USB-C
What’s in the Box :
1 x Boltune TWS Earbuds (Model BT-BH021)
6 x Ear Tips (Two are equipped on the earbuds)
1 x Charging Case
1 x USB-C Charging Cable
1 x User Guide

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