1 Lithium Metal batteries required. (included)

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【Active Noise Cancellation】Hybrid 3 layer Active Noise Cancellation. 1. Outward-facing microphone detects external sounds and counter with equal anti-noise to reduce the environmental noise up to more than 35dB. 2. Inward-facing microphone listens inside ear canal to pick up internal sounds and produce anti-noise again to twice cancel the left noise. 3. Ear caps prevent 90% noise going to ear canal.
【Transparency Mode】 You can hear what you want to hear, which lets outside sound in so you can hear and interact with the world around you. You can clearly hear the announcement of the airline or subway and what is saying around you without taking off the headphones.

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[stereo sound quality] TOZO T10 Earbuds’ 8mm large size speaker driver (the drive area is 1.77 times than the normal drive area) delivers powerful bass( lowest 16Hz), mellow midrange, and clear treble(up to 20kHz). Reproducing your music vividly.
[ BLUETOOTH 5.0] Features with the advanced Bluetooth 5.0 technology, TOZO T10 Earbuds support HSP HFP A2DP AVRCP, which provides instant pairing and stable transmission without interruptions.