Feature:1. Receiver/transmitter mode switch with one key, applicable to a variety of devices.2. AUX interface can be connected to computer, TV, mobile phone, speaker and other equipment, to achieve wireless transmission.3. LED indicator light, different status, different colors, working status at a glance.4. With Bluetooth 5.0, the connection is stable and supports Bluetooth decoding of various protocols.5. Builtin battery capacity of 200mA, battery life of about 68 hours.Specification:Item Type: Receiver TransmitterMaterial: ABSColor: As Pictures Shown Weight: Approx. 72g/2.5ozBluetooth: BT 5.0Technologies: A2DP, AVRCP (receiver mode only)Operating range: up to 10m/32.8ft (without any obstacles)Charging time: 2 hoursContinuous service time: 6 hours (receiver mode) / 5 hours(Transmitter mode)Battery Type: Lithium Polymer (200mAh).Package List:1 x Receiver Transmitter1 x 3.5mm Audio Cable 1 x Charging Cable1 x 3.5mm to for 2RCA Cable1 x Manual