Speaker Sunglasses for open sound listening and everyday wear A practical alternative to inear headphones, these speaker sunglasses deliver a semi open sound experience that reduces ear fatigue and keeps you aware of surrounding sounds. Lightweight TR90 frames sit comfortably for longer use while builtin Bluetooth 5.0 streams audio wirelessly from phones, tablets, and other Bluetooth devices. Key benefits Comfortable allday wear: TR90 material provides a durable yet flexible frame that weighs approximately 108g 3.8oz. Safer open listening: Semi open sound lets you enjoy music without fully isolating from your environment, useful when walking or commuting. Reliable wireless connection: Bluetooth 5.0 offers stable pairing and lowlatency audio with compatible devices. Long usable time: Two 90mAh lithium batteries are included for extended listening, with fast recharging and multihour playback. Performance and battery Battery: 2 x 90mAh lithium battery included Work time: 5 to 8 hours depending on volume and use Standby time: 12 hours Charging time: 2 hours Size and material Item type: Speaker sunglasses Frame material: TR90 Weight: Approx. 108g 3.8oz Compatibility and use Connects to any Bluetooth enabled device such as smartphones, tablets, laptops, and media players that support Bluetooth audio. Easy to pair and operate for casual listening, podcasts, and hands media playback. Practical use scenarios Commuting and walking: Listen to music or podcasts while staying aware of traffic and surroundings. Outdoor activities: Lightweight frames suit cycling, hiking, or running where situational awareness is important. Desk work and breaks: Keep background audio without isolating yourself from coworkers or notifications. Package contents 1 x Speaker Sunglasses 1 x Charging Cable 1 x Manual 1 x Wipe Cloth What this product solves These speaker sunglasses are designed to reduce the discomfort and isolation of traditional headphones while providing wireless audio and convenient wear. The combination of TR90 comfort, Bluetooth 5.0 connectivity, and a rechargeable dual battery system supports everyday use across a range of activities.