Acoustic air flow cavity design, high definition, noise reduction, three frequency balance, with which you can accurately recognise the singers and instruments during music playback. With the compatibility control button, you can easily answer/reject calls, play/pause music playback without reaching for your device. Extensive volume control, easy to adjust to the sound level suitable for sleeping, reading and relaxing. Lightweight, small and soft earbuds, perfect for sensitive ears sleeping on their side, make wearing comfortable and painless. Carry bag with buckle convenient to travel. The main line uses fashionable braided threads, tangle-free and prevents pulling. Hanging ear sections made of TPE outsourcing material and anti-interference layer ensure sound quality. Compatible with iPhone, iPad, iPod, Samsung smartphones, MP3/4 players, tablets, 3.5mm jack for computer devices. › See more product details; Product description Blees Sleep Headphones Try our best to design To maximise sound quality and keep the size, the Bulees SP01 sleep headphones core component uses a high-quality graphene membrane. The core components are protected by aviation aluminium sheet, which is wear-resistant and durable. In addition, protective measures are taken at every intersection. Specifications: Connector type: 3.5 mm jack. Speaker diameter: 4.2 mm. Frequency range: 20-20,000 Hz. Sensitivity: 101±3dB. Speaker impedance: 32Ω. Cable length: 3.94 ft. Answer button. Box contents: 1 x headphones. 3 x ear caps. Three different sizes: small, medium and large. 1 x clip. 1 x bag.; Product description Blees Sleep Headphones Try our best to design To maximise sound quality and keep the size, the Bulees SP01 sleep headphones core component uses a high-quality graphene membrane. The core components are protected by aviation aluminium sheet, which is wear-resistant and durable. In addition, protective measures are taken at every intersection. Specifications: Connector type: 3.5 mm jack. Speaker diameter: 4.2 mm. Frequency range: 20-20,000 Hz. Sensitivity: 101±3dB. Speaker impedance: 32Ω. Cable length: 3.94 ft. Answer button. Box contents: 1 x headphones. 3 x ear caps. Three different sizes: small, medium and large. 1 x clip. 1 x bag.; Blees Sleep Headphones Try our best to design To maximise sound quality and keep the size, the Bulees SP01 sleep headphones core component uses a high-quality graphene membrane. The core components are protected by aviation aluminium sheet, which is wear-resistant and durable. In addition, protective measures are taken at every intersection. Specifications: Connector type: 3.5 mm jack. Speaker diameter: 4.2 mm. Frequency range: 20-20,000 Hz. Sensitivity: 101±3dB. Speaker impedance: 32Ω. Cable length: 3.94 ft. Answer button. Box contents: 1 x headphones. 3 x ear caps. Three different sizes: small, medium and large. 1 x clip. 1 x bag.
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