With the Joyroom Jpods Series JR-PB1, you can enjoy true wireless technology. The dual-mic ENC reduces background noise for crystal-clear calls, and the half-in-ear design offers a comfortable fit. Experience up to 8 hours of music and 4 hours of calling time with a single charge thanks to the 320mAh case battery and 35mAh earphone battery. Additionally, these IPX4 water resistant earphones are ideal for use while traveling.