ITEM NAME:Bluetooth 4.1 Wireless Mini Necklace Style Magnet Sports In-ear Earphone Product Description Description: Features: Bluetooth 4.1 smart CSR chip, high speed, stable and energy-saving; 10 meters barrier-free wireless connection; Mini necklace style earphone, stereo sound quality; Magnetic suction ear plug design, anti-lost and portable; Specifications: Model: sm821 Bluetooth standard: V4.1 Supported protocols: HSP, HFP, A2DP, AVRCP Wireless connection range: ≠¤ 10m Operating frequency range: 2.4026GHz- 2.480GHz Standby time: ≠¥180 hours Charging time: 2 hours Included: 1 x Bluetooth Wireless In-ear Earphone 1 x User Manual.Mini necklace style earphone, stereo sound quality;. Included: 1 x Bluetooth Wireless In-ear Earphone. Bluetooth standard: V4.1. Magnetic suction ear plug design, anti-lost and portable;. Wireless connection range: ≠¤ 10m.
