Adapter USB Aux SPDIF Transmitter Receiver Speaker Radio Receiver
Features: brand new and
SPDIF + AUX Port: You get flexibility with support for both 3.5mm (AUX and RCA) and optical (SPDIF) digital, both input and output are supported.
In transmit mode, this device can pair with two Bluetooth-enabled headphones or speakers to for play music simultaneously. In receive mode, it can pair with two for phones at the same for time, but the music played only by one If you want to switch to another phone to for play music, you need to pause or end the music on the current phone.
Using CSR BC8670 Bluetooth-compatible chip as the core data processing, the Bluetooth-compatible version is: 5.0
Transmitting power: Class II, use range within 10 meters (the actual range depends on the device connected to it)
The main chip data storage uses internal 16M FLASH memory; Frequency range: Bluetooth-compatible standard, 2.402～2.480GHz; Support A2DP AVRCP protocol; Support SBC, APT-X and other Codec

Specifications: Chipset: CSR BC8670
Supported Protocol: A2DP AVRCP
Supported CODEC: APT-X, SBC and others
Bluetooth-compatible Version: V5.0
Frequency: 2.40GHz-2.480GHz
Transmit Power: Class II, within 10 meters
Charging Input: for 5V,≥300MA
Working for Time (AUX, reception status): 15H
Working for Time (AUX, for status): 15H
Working Time: (SPDIF, reception status): 12H
Working Time: (SPDIF, for status): 12H

Package Weight: 127g
Dimension: 60 x 60 x 18.4mm / 2.36 x 2.36 x0.72inch
The supported Bluetooth-compatible speaker or headset pairing security keys are: 0000, 1111, 8888.
Charging time:2 hours; Charging input requirements: 5V for ≥300MA
350mAh lithium ion polymer rechargeable
Working temperature: -10—55℃

Package Includes: 1 x Bluetooth-compatible 4.1 Transmitter and Receiver
1 x USB Cable
1 x 3.5mm AUX Cable
1 x Optical Cable
1 x RCA Cable
1 x User Manual

note: Due to the problems of lighting effects and angles, there will be certain tolerances in the product, please understand.
Please allow 0-1cm error due to the manual measurment.