Feature:Built-in lithium Battery charging circuitPowerful noise elimination circuitClass II power level.High-fidelity Sound Quality. Directly and easily Powered by USB.Bluetooth Version: Bluetooth V2.0?∨ and compatible with V1.2?∨ V1.0?∨ V3.0?∨ V4.0 Standard.Equipped with Standard 3.5 audio interface.Supports all common 2.1 audio SpeakersSpecifications: Chip: OVC3860 stereo chipTransmission distance: 10m (Class2) (cant through flesh and glass) Frequency: 2.4 GHz Interface: 1 * Standard USB?∨ 1 * Standard 3.5 audio interface.Power Supply: DC 5.0V / 120mAColor: BlueMain Item Size: 55 * 16 * 4mm / 2.16 * 0.62 * 0.15inMain Item Weight: 4g / 0.14 ozPackage Size: 70 * 60 * 10mm / 2.75 * 2.36 * 0.31inPackage Weight: 5g / 0.18ozPackage Lists:1 * Bluetooth Chip"
