1、High sound quality: With APTX decoder and SCR8640 bluetooth chip, this earphone offers high-fidelity sound which is similar to CD, lets you experience amazing clear high pitch sound and incredible bass. 2、IPX6 sweatproof: the enclosed structure makes the earphone resistant to sweat, you can wear it for sports. 3、Long battery life: the battery bin has 3000mAh built-in battery, the earphone has 60mAh battery, it supports 90 hours non-stop music playing. 4、Noise reduction: it can reduce noise and enhance the stereo sound effect to let you immerse yourself in HiFi music world. 5、Quick pairing and stable link: V0 buletooth, one key fast pairing, maximum wireless transmission distance is about 33ft. Features: High sound quality: With APTX decoder and SCR8640 bluetooth chip, this earphone offers high-fidelity sound which is similar to CD, lets you experience amazing clear high pitch sound and incredible bass. IPX6 sweatproof: the enclosed structure makes the earphone resistant to sweat, you can wear it for sports. Long battery life: the battery bin has 3000mAh built-in battery, the earphone has 60mAh battery, it supports 90 hours non-stop music playing. Noise reduction: it can reduce noise and enhance the stereo sound effect to let you immerse yourself in HiFi music world. Quick pairing and stable link: V 5.0 buletooth, one key fast pairing, maximum wireless transmission distance is about 33ft. Specification: Material: ABS Color: Black Bluetooth Version: V 5.0 Transmission Distance: Maximum. 33ft Earphone Battery: 60ma Battery Bin: 3000ma Earphone Working Time: 4-6H Battery Bin Working Time: 120H Function: hands-free bluetooth talk, touch control Package list: 1 x Battery bin 2 x Earphones 6 x Earbud covers 1 x Manual 1 x Charging Cable 1 x Pouch