Description
LANGSDOM BS17 wireless Bluetooth bone conduction earphones for sports, ultra-lightweight headset for running and fitness
Bone conduction sound transmission technology: using bone conduction technology, sound is transmitted to the auditory nerve through the skull and jaw to induce hearing, bypassing the outer ear and middle ear; at the same time, it does not hinder the transmission of sound waves through the air
Stable: ergonomic in-ear design, stable and comfortable, easy to control during various sports activities, without limiting intense exercise
Aerospace-grade material: comfortable to wear without in-ear, long-term wear without pain, no pain at work, in sports, and all day, providing you with an extraordinary musical experience
High-definition call noise reduction: built-in microphone, no need to use the phone, answer with the earphone button, no delay during calls while exercising, high-definition noise reduction technology, clear calls even in noisy environments
New breakthrough: lightweight body design, the whole device weighs only 30 g, comfortable and soft texture, light enough to forget, and more comfortable for exercise
Specifications:
Bluetooth version: BT V5.0
Frequency: 2.402-2.480 GHz
Operating distance: 10 m
Bluetooth antenna mode: ceramic antenna (2.45 G antenna)
Number of channels: stereo two channels
Output power (Max): 8 mW
Rated power: 5 mW
Frequency range: 20-20 kHz
Sensitivity: 90 dB ± 3 dB at 1 kHz
Distortion: ≤5% at 1 kHz
Impedance: 16 Ω ± 15%
Single sensitivity: Sensitivity 106 dB
Chip solution: BK3266
Battery type/capacity: Lithium polymer battery 551225, 150 mAh
Battery life: about 12 h
Charging time: 2 hours