Boltune-Super Lightweight Bluetooth Wireless Earbuds
- Ultralight Comfort: Sung, secure and lightweight earbuds sit perfectly in your ear canals due to the ergonomic anti-slip design; just 0.2 oz. per bud, you can just wear and forget about them
- One-Step Pairing: Simply open the charging case for the earbuds to connect immediately to your device and put them back to turn off
- Immersive Stereo Sound: Enjoy stereophonic audio with strong bass generated from graphene drivers, with highly sensitive diaphragms, to ensure minimum signal loss and a quick response
- Superior Call Quality: 2 microphones on each earbud work together to pick up your voice and detect background noise via a noise-suppressed algorithm so you’re clearly heard in calls
- All Day Listening: 36hrs of listening and call time in total with the charging case and 6hrs nonstop music on 1 charge; take advantage of 1hr of playtime with only 10mins rapid charging
For Bulk Order or Wholesale Business, please contact us!

Boltune TWS Earphones 36 Hours Playtime Bluetooth 5.0 True Wireless Earbuds Role Switch Hi-Fi Audio Sound USB-C Fast Charging IPX7 Waterproof Sweatproof for Smartphone Tablet Laptop
- Ultralight Comfort: Sung, secure and lightweight earbuds sit perfectly in your ear canals due to the ergonomic anti-slip design; just 0.2 oz. per bud, you can just wear and forget about them
- One-Step Pairing: Simply open the charging case for the earbuds to connect immediately to your device and put them back to turn off
- Immersive Stereo Sound: Enjoy stereophonic audio with strong bass generated from graphene drivers, with highly sensitive diaphragms, to ensure minimum signal loss and a quick response
- Superior Call Quality: 2 microphones on each earbud work together to pick up your voice and detect background noise via a noise-suppressed algorithm so you’re clearly heard in calls
- All Day Listening: 40hrs of listening and call time in total with the charging case and 6hrs nonstop music on 1 charge; take advantage of 1hr of playtime with only 10mins rapid charging
Technical Specifications:
- Bluetooth Version: BT5.2
- Transmission Distance: 65ft max.
- Playtime: 6hrs + 30hrs
- Waterproof Rating: IPX8
- Audio Codec: 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
SHIPPING
Last updated March 25, 2020.
Delivery times may be longer than usual due to the COVID-19 pandemic across the globe.
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Shipping Fee
Free shipping on any order.
Shipping Orders
Normally orders will ship within 2-7 business days of processing payment, unless particularly noted else where on the website, at the time order is placed, or you receive an email notice that an item in your order has been delayed. Any expected delivery dates that may be given are only estimates. Orders can be delayed due to verification or the time the order has been placed. Orders may be delivered in separate shipments. All purchases through Taotronics.com are made pursuant to a shipment contract. This means that the risk of loss and title for such items pass to you upon tender of the item to the carrier.
30 Day Money-Back Guarantee for Any Reason
Undamaged products may be returned for a full refund for any reason within 30 days of purchasing. Once the returned item arrives back in Taotronics’ warehouse for inspection, the refund process will begin.