Bluetooth 4.1 neckband wireless earphone IPX4 acquisitionWaterproof black sports running marathon earphone Bluetooth magnet neckband type iPhone7 iPhone8 house C

>> The maker hope retail price is a news product specification by the receipt by noise reduction , vibration to reduce the microphone for the hands-free call and noises in , a call with remote control simply in a high neckband of the flexibility that was particular about a sense of unity at the time of the product features, wearing publishing based on a maker site for up to 14 hours at life waterproofing, music reproduction time of adoption, the IPX4 acquisition ■Bluetooth version: Ver4.1 ■Bluetooth profile: A2DP, AVRCP, HFP, HSP ■Audio codec: SBC ■A movement range: 10m ■Noise reduction: CVC6.0 ■Standby time: About 1,000 hours ■Maximum reproduction time: About 14 hours ■A charge time: About 2.5 hours ■Size ( ): 400(L) X 17(D) X 10(H) mm ■Weight ( ): 44 g ■A term of a guarantee: One year