Features:Using the matchbox-size unit is just as easy as pie.Comes with multi-function button: Power On / Off / Pairing.The transmitter mode and receive mode are simply one-button switchable.Standard 3.5mm audio socket and cable enable to connect to most modern audio device.Small and portable. Simple use?∨ perfect sound quality.Specification:Bluetooth: Support V1.2 ?∨V2.0?∨V3.0?∨V4.0Chipset: CSR 57E6(Blutooth transmitter); OVC3960(Blutooth receiver)Transmission Distance: 10m / 33ftBattery: Rechargeable Li-polymer battery(280mAh)Working Time: 10 HoursCharging Time:2.5 HoursBluetooth profile supported: A2DP and AVRCPSwitchable Mode: RX/TXAudio Port: 3.5mmColor: BlackMaterial: ABSDimension: 4.5 * 7 * 1cm / 1.8 * 2.8 * 0.4inWeight: 25g / 0.88ozPackage size: 11 * 7.4 * 2cm / 4.2 * 2.9 * 0.8inPackage weight: 78g / 2.75ozPackage List :1 * 2 in 1 Bluetooth audio Transmitter & Receiver1 * 3.5mm Audio Cable1 * 3.5mm Stereo Audio Cable1 * Charge Cable1 * User Manual(English)"
